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8(x+2)=7(x+1)
We move all terms to the left:
8(x+2)-(7(x+1))=0
We multiply parentheses
8x-(7(x+1))+16=0
We calculate terms in parentheses: -(7(x+1)), so:We get rid of parentheses
7(x+1)
We multiply parentheses
7x+7
Back to the equation:
-(7x+7)
8x-7x-7+16=0
We add all the numbers together, and all the variables
x+9=0
We move all terms containing x to the left, all other terms to the right
x=-9
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