if (1.-2) is a solution of the equation 2x-y=p,then find the value of p. -Maths 9th

if (1.-2) is a solution of the equation 2x-y=p,then find the value of p. -Maths 9th
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1 Answer

Answer :

2x-y=p put x-1,y=-2 =2(1)-(-2)=p p=4
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