Will you guys help me with my algebra homework today?

Will you guys help me with my algebra homework today?
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Answer :

answer:I’ll give you a hint: Your problem is here: x – (1.8 – 4(x – 3.1x – 34.1))=0 x – (1.8 – 4x – 45.7x + 136.4)=0 Where does the -45.7x come from? Should it really be negative?
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