Solve for `x : 12x -7 = 7x - 13`

Solve for `x : 12x -7 = 7x - 13`
by

1 Answer

Answer :

Solve for `x : 12x -7 = 7x - 13` A. `-1.2` B. `-1.6` C. `-1.8` D. `-1.4`
by
selected by

Related questions

Find the value of polynomial 12x(square) - 7x + 1, when x=1/4. -Maths 9th

Description : Find the value of polynomial 12x(square) - 7x + 1, when x=1/4. -Maths 9th

Last Answer : Solution :-

What is the ratio of sum of squares of roots to the product of the roots of the equation 7x^2 + 12x + 18 = 0? -Maths 9th

Description : What is the ratio of sum of squares of roots to the product of the roots of the equation 7x^2 + 12x + 18 = 0? -Maths 9th

Last Answer : Let α, β be the roots of the equation 7x2 + 12x + 18 = 0. ∴ Required ratio = α2 + β2 : αβ = ​​−10849187 = −67 = – 6 : 7.

Solve log2x + 3 (6x^2 + 23x + 21) = 4 – log3x + 7 (4x^2 + 12x + 9). -Maths 9th

Description : Solve log2x + 3 (6x^2 + 23x + 21) = 4 – log3x + 7 (4x^2 + 12x + 9). -Maths 9th

Last Answer : answer:

Solve for x. 129+(7x-46)+(9x-11)+94+(5x+17)?

Description : Solve for x. 129+(7x-46)+(9x-11)+94+(5x+17)?

Last Answer : 42069

Number of positive integral solution of the equation `|x^(2)-3x-3| gt |x^(2)+7x-13|` is/are

Description : Number of positive integral solution of the equation `|x^(2)-3x-3| gt |x^(2)+7x-13|` is/are

Last Answer : Number of positive integral solution of the equation `|x^(2)-3x-3| gt |x^(2)+7x-13|` is/are A. `0` B. `1` C. `2 D. `3`

If x:y =3:4,in the ratio of (7x-4y) : ( 3x + y) a) 2:11 b) 4:9 c) 5:13 d) 6:5 e) 13:5

Description : If x:y =3:4,in the ratio of (7x-4y) : ( 3x + y) a) 2:11 b) 4:9 c) 5:13 d) 6:5 e) 13:5

Last Answer : An easy way to solve this question is use x = 3, y=4 7x – 4y = 21 – 16 = 5 3x + y = 9+4 = 13 Required ratio = 5:13 Answer: c)

Let R1 and R2 be the remainders when the polynomials x^3 + 2x^2 – 5ax – 7 and x^2 + ax^2 – 12x + 6 are divided by (x + 1) and (x – 2) respectively. -Maths 9th

Description : Let R1 and R2 be the remainders when the polynomials x^3 + 2x^2 – 5ax – 7 and x^2 + ax^2 – 12x + 6 are divided by (x + 1) and (x – 2) respectively. -Maths 9th

Last Answer : answer:

The equation whose roots are the negatives of the roots of the equation x^7 + 3x^5 + x^3 – x^2 + 7x + 2 = 0 is : -Maths 9th

Description : The equation whose roots are the negatives of the roots of the equation x^7 + 3x^5 + x^3 – x^2 + 7x + 2 = 0 is : -Maths 9th

Last Answer : answer:

(7+x)+7x?

Description : (7+x)+7x?

Last Answer : 14

3. Check whether 7+3x is a factor of 3x3+7x. -Maths 9th

Description : 3. Check whether 7+3x is a factor of 3x3+7x. -Maths 9th

Last Answer : Solution: 7+3x = 0 ⇒ 3x = −7 ⇒ x = -7/3 ∴Remainder: 3(-7/3)3+7(-7/3) = -(343/9)+(-49/3) = (-343-(49)3)/9 = (-343-147)/9 = -490/9 ≠ 0 ∴7+3x is not a factor of 3x3+7x

If α and β are the zeroes of the polynomial 5x 2 – 7x + 2, then sum of their reciprocals is: (a) 14/25 (b) 7/5 (c) 2/5 (d) 7/2

Description : If α and β are the zeroes of the polynomial 5x 2 – 7x + 2, then sum of their reciprocals is: (a) 14/25 (b) 7/5 (c) 2/5 (d) 7/2

Last Answer : (d) 7/2

Find the zeroes of the of the polynomials p(x) = 4x2 – 12x + 9 -Maths 10th

Description : Find the zeroes of the of the polynomials p(x) = 4x2 – 12x + 9 -Maths 10th

Last Answer : P(x)= 4x² - 12x + 9 4x²- 12x + 9 = 0 4x²- 6x - 6x +9 = 0 2x(2x - 3) - 3(2x - 3) = 0 (2x - 3) (2x - 3) x = 3/2 x = 3/2 x = 3/2 ; 3/2 are the zeros of the given polynomial.

Find the remainder when f(x)=4x(cube) - 12x(square) +14x - 3 is divided by g(x) = (2x-1). -Maths 9th

Description : Find the remainder when f(x)=4x(cube) - 12x(square) +14x - 3 is divided by g(x) = (2x-1). -Maths 9th

Last Answer : ____2x2-5x+4________________ 2x-1 ) 4x3-12x2+14x-3( 4x3-2x2 - + ____________ 0 -10x2+14x-3 ... + ___________ X+1

If the roots of x^3 – 12x^2 + 12x – 28 = 0 are in A.P, their common difference is -Maths 9th

Description : If the roots of x^3 – 12x^2 + 12x – 28 = 0 are in A.P, their common difference is -Maths 9th

Last Answer : answer:

If x^5 – 9x^2 + 12x – 14 is divisible by (x – 3), what is the remainder ? -Maths 9th

Description : If x^5 – 9x^2 + 12x – 14 is divisible by (x – 3), what is the remainder ? -Maths 9th

Last Answer : answer:

`x_1 ,x_2` are the `x^2-3x+A= 0; x_3 , x_4` are roots of the equation `x^2-12x + B =0` of the equation `x_1 ,x_2 ,x_3 , x_4` form in increasing `GP`.,

Description : `x_1 ,x_2` are the `x^2-3x+A= 0; x_3 , x_4` are roots of the equation `x^2-12x + B =0` of the equation `x_1 ,x_2 ,x_3 , x_4` form in increasing `GP`.,

Last Answer : `x_1 ,x_2` are the `x^2-3x+A= 0; x_3 , x_4` are roots of the equation `x^2-12x + B =0` of the equation `x_1 ... x_(1) + x_(3) =5` D. `x_(2)+x_(4)=10`

Find the values of x for which the following functions are maximum or minimum: (i) ` x^(3)- 3x^(2) - 9x ` (ii) ` 4x^(3)-15x^(2)+12x+1` (iii) ` 1-x-x^(

Description : Find the values of x for which the following functions are maximum or minimum: (i) ` x^(3)- 3x^(2) - 9x ` (ii) ` 4x^(3)-15x^(2)+12x+1` (iii) ` 1-x-x^(

Last Answer : Find the values of x for which the following functions are maximum or minimum: (i) ` x^(3)- 3x^(2) - 9x ` (ii) ` 4x ... (v) `(x^(2)-x+1)/(x^(2)+x+1)`

What is the missing constant term in the perfect square that starts with x^2-12x?

Description : What is the missing constant term in the perfect square that starts with x^2-12x?

Last Answer : 14

What is The expression 12x + 2, when x=9?

Description : What is The expression 12x + 2, when x=9?

Last Answer : 110

Find the value of the polynomial 3x3 – 4x2 + 7x – 5, when x = 3 and also when x = -3. -Maths 9th

Description : Find the value of the polynomial 3x3 – 4x2 + 7x – 5, when x = 3 and also when x = -3. -Maths 9th

Last Answer : Let p(x) =3x3 – 4x2 + 7x – 5 At x= 3, p(3) = 3(3)3 – 4(3)2 + 7(3) – 5 = 3×27-4×9 + 21-5 = 81-36+21-5 P( 3) =61 At x = -3, p(-3)= 3(-3)3 – 4(-3)2 + 7(-3)- 5 = 3(-27)-4×9-21-5 = -81-36-21-5 = -143 p(-3) = -143 Hence, the value of the given polynomial at x = 3 and x = -3 are 61 and -143, respectively.

Find the value of the polynomial 3x3 – 4x2 + 7x – 5, when x = 3 and also when x = -3. -Maths 9th

Description : Find the value of the polynomial 3x3 – 4x2 + 7x – 5, when x = 3 and also when x = -3. -Maths 9th

Last Answer : Let p(x) =3x3 – 4x2 + 7x – 5 At x= 3, p(3) = 3(3)3 – 4(3)2 + 7(3) – 5 = 3×27-4×9 + 21-5 = 81-36+21-5 P( 3) =61 At x = -3, p(-3)= 3(-3)3 – 4(-3)2 + 7(-3)- 5 = 3(-27)-4×9-21-5 = -81-36-21-5 = -143 p(-3) = -143 Hence, the value of the given polynomial at x = 3 and x = -3 are 61 and -143, respectively.

Find the value of f(x) = 2x(square) + 7x + 3 at x= -2. -Maths 9th

Description : Find the value of f(x) = 2x(square) + 7x + 3 at x= -2. -Maths 9th

Last Answer : Solution :-

What is (x^2-3x+2)/(x^2-5x +6)÷(x^2-5x+4)/(x^2-7x+12) equal to? -Maths 9th

Description : What is (x^2-3x+2)/(x^2-5x +6)÷(x^2-5x+4)/(x^2-7x+12) equal to? -Maths 9th

Last Answer : answer:

If (x + 1) is a factor of x^4 + 9x^3 + 7x^2 + 9ax + 5a^2, then : -Maths 9th

Description : If (x + 1) is a factor of x^4 + 9x^3 + 7x^2 + 9ax + 5a^2, then : -Maths 9th

Last Answer : answer:

The acute angle which the perpendicular from the origin on the line 7x –3y = 4 makes with the x-axis is: -Maths 9th

Description : The acute angle which the perpendicular from the origin on the line 7x –3y = 4 makes with the x-axis is: -Maths 9th

Last Answer : (c) negativeAs the line from the origin is perpendicular to the line 7x - 3y = 4, so its slope = \(rac{-1}{ ext{slope of }\,7x-3y=4}\)Slope of 7x - 3y - 4 = \(rac{7}{3}\)∴ Slope of line from origin = \(rac{-1} ... of x-axis⇒ θ = tan-1 \(\big(rac{-3}{7}\big)\) = - tan-1 \(\big(rac{3}{7}\big)\)

Find the term independent of x in `(6x^(2)-(1)/(7x^(3)))^(10)`

Description : Find the term independent of x in `(6x^(2)-(1)/(7x^(3)))^(10)`

Last Answer : Find the term independent of x in `(6x^(2)-(1)/(7x^(3)))^(10)`

`lim_(x rarr oo) (7x-3)/(8x-10)=`_______.

Description : `lim_(x rarr oo) (7x-3)/(8x-10)=`_______.

Last Answer : `lim_(x rarr oo) (7x-3)/(8x-10)=`_______.

Find the equation of normal of the curve `2y= 7x - 5x^(2)` at those points at which the curve intersects the line x = y.

Description : Find the equation of normal of the curve `2y= 7x - 5x^(2)` at those points at which the curve intersects the line x = y.

Last Answer : Find the equation of normal of the curve `2y= 7x - 5x^(2)` at those points at which the curve intersects the line x = y.

How do you factorize x squared plus 7x?

Description : How do you factorize x squared plus 7x?

Last Answer : It is: x(x+7) when factorized

How does f(x)7x change over the interval from x5 to x7?

Description : How does f(x)7x change over the interval from x5 to x7?

Last Answer : If the x value changes u, then the y value changes by 7u.

What is 7x(3x plus x) when x8?

Description : What is 7x(3x plus x) when x8?

Last Answer : 36

How does f(x)7x change over the interval from x5 to x7?

Description : How does f(x)7x change over the interval from x5 to x7?

Last Answer : If the x value changes u, then the y value changes by 7u.

The profit P, in dollars, of selling x widgets and y gadgets is given by the function P(x, y) = 7x 6y. Which corner point of the shaded region will maximize the profit?

Description : The profit P, in dollars, of selling x widgets and y gadgets is given by the function P(x, y) = 7x 6y. Which corner point of the shaded region will maximize the profit?

Last Answer : 15,25

"Ravi is 10 years older than Rehan. Five years ago, one-seventh of Ravi's age was equal to one-fifth of Rehan's age." If Rehan's age be 'x' years and Ravi's age be 'y' years, which of the following pair of linear equations is describing it algebraically? (a) x - y = 10 and 7x - 5y + 10 = 0 (b) y -x = 10 and 5y -7x + 10 = 0 (c) x + y = 10 and 7x + 5y - 10 = 0 (d) x - y = -10 and 7y - 5x + 10 = 0

Description : "Ravi is 10 years older than Rehan. Five years ago, one-seventh of Ravi's age was equal to one-fifth of Rehan's age." If Rehan's age be 'x' years and Ravi's age be 'y' years, which of the following pair of linear equations is ... y = 10 and 7x + 5y - 10 = 0 (d) x - y = -10 and 7y - 5x + 10 = 0

Last Answer : (b) y -x = 10 and 5y -7x + 10 = 0

Factorise the following : 9x2 -12x+ 3 -Maths 9th

Description : Factorise the following : 9x2 -12x+ 3 -Maths 9th

Last Answer : Factorise the following :

Factorise the following : 9x2 -12x+ 3 -Maths 9th

Description : Factorise the following : 9x2 -12x+ 3 -Maths 9th

Last Answer : Factorise the following :

For what value of m the ratio of the roots of the equation 12x^2 – mx + 5 = 0 is 3 : 2 ? -Maths 9th

Description : For what value of m the ratio of the roots of the equation 12x^2 – mx + 5 = 0 is 3 : 2 ? -Maths 9th

Last Answer : Given equation: 12x2+mx+5=0 The roots are in ratio 3:2 Hence,let roots of the equations are 3α and 2α. Applying condition for sum and product of the roots, 3α+2α=−12m​ and 3α×2α=125​⇒α2=725​⇒α=±62​5​​And m=−60α ⇒m=±510​Hence, A is the correct option.

8x - 2(3x- 4 +2y) -12x equal

Description : 8x - 2(3x- 4 +2y) -12x equal

Last Answer : Need Answer

what is 5x - 3 = 12x + 11

Description : what is 5x - 3 = 12x + 11

Last Answer : 3=7x+11 -7=7x -1=x

What is the LCM of 12x 4?

Description : What is the LCM of 12x 4?

Last Answer : If you mean 12 and 4 then the LCM is 12

How do you factorize 12x-30?

Description : How do you factorize 12x-30?

Last Answer : 42

What does y-12x plus 3 equal?

Description : What does y-12x plus 3 equal?

Last Answer : If you mean y = -12x+3 then it is a straight line equationwhereas -12 is the slope and 3 is the y intercept

How do you factor 12x to the third power plus 30x to the second power?

Description : How do you factor 12x to the third power plus 30x to the second power?

Last Answer : 6x^2(2x + 5)

How many solutions are there to the equation below 12x plus 6 5x?

Description : How many solutions are there to the equation below 12x plus 6 5x?

Last Answer : What is the answer ?

What does y-12x plus 3 equal?

Description : What does y-12x plus 3 equal?

Last Answer : If you mean y = -12x+3 then it is a straight line equationwhereas -12 is the slope and 3 is the y intercept

How do you factor 12x to the third power plus 30x to the second power?

Description : How do you factor 12x to the third power plus 30x to the second power?

Last Answer : 6x^2(2x + 5)

What is the center and the radius of the circle x2 plus y2 equals 12x -10y -12?

Description : What is the center and the radius of the circle x2 plus y2 equals 12x -10y -12?

Last Answer : Equation of circle: x^2 +y^2 = 12x-10y-12Completing the squares: (x-6)^2 +(y+5)^2 = 49So center of circle is at (6, -5) and its radius is 7 units

What does 12x plus 9y equivalent to?

Description : What does 12x plus 9y equivalent to?

Last Answer : It is equivalent to 3(4x+3y) when factored

Factorise 12x-30?

Description : Factorise 12x-30?

Last Answer : 42

12x+4?

Description : 12x+4?

Last Answer : 16