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8(x+5)=4(x-8)
We move all terms to the left:
8(x+5)-(4(x-8))=0
We multiply parentheses
8x-(4(x-8))+40=0
We calculate terms in parentheses: -(4(x-8)), so:We get rid of parentheses
4(x-8)
We multiply parentheses
4x-32
Back to the equation:
-(4x-32)
8x-4x+32+40=0
We add all the numbers together, and all the variables
4x+72=0
We move all terms containing x to the left, all other terms to the right
4x=-72
x=-72/4
x=-18
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