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4x-2(x-1)=-3(7-x)
We move all terms to the left:
4x-2(x-1)-(-3(7-x))=0
We add all the numbers together, and all the variables
4x-2(x-1)-(-3(-1x+7))=0
We multiply parentheses
4x-2x-(-3(-1x+7))+2=0
We calculate terms in parentheses: -(-3(-1x+7)), so:We add all the numbers together, and all the variables
-3(-1x+7)
We multiply parentheses
3x-21
Back to the equation:
-(3x-21)
2x-(3x-21)+2=0
We get rid of parentheses
2x-3x+21+2=0
We add all the numbers together, and all the variables
-1x+23=0
We move all terms containing x to the left, all other terms to the right
-x=-23
x=-23/-1
x=+23
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