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(7x-31)=(5x-8)
We move all terms to the left:
(7x-31)-((5x-8))=0
We get rid of parentheses
7x-((5x-8))-31=0
We calculate terms in parentheses: -((5x-8)), so:We get rid of parentheses
(5x-8)
We get rid of parentheses
5x-8
Back to the equation:
-(5x-8)
7x-5x+8-31=0
We add all the numbers together, and all the variables
2x-23=0
We move all terms containing x to the left, all other terms to the right
2x=23
x=23/2
x=11+1/2
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