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8+5x=-(7-x)
We move all terms to the left:
8+5x-(-(7-x))=0
We add all the numbers together, and all the variables
5x-(-(-1x+7))+8=0
We calculate terms in parentheses: -(-(-1x+7)), so:We get rid of parentheses
-(-1x+7)
We get rid of parentheses
1x-7
We add all the numbers together, and all the variables
x-7
Back to the equation:
-(x-7)
5x-x+7+8=0
We add all the numbers together, and all the variables
4x+15=0
We move all terms containing x to the left, all other terms to the right
4x=-15
x=-15/4
x=-3+3/4
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