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8(x+5)=-4(x+4)
We move all terms to the left:
8(x+5)-(-4(x+4))=0
We multiply parentheses
8x-(-4(x+4))+40=0
We calculate terms in parentheses: -(-4(x+4)), so:We get rid of parentheses
-4(x+4)
We multiply parentheses
-4x-16
Back to the equation:
-(-4x-16)
8x+4x+16+40=0
We add all the numbers together, and all the variables
12x+56=0
We move all terms containing x to the left, all other terms to the right
12x=-56
x=-56/12
x=-4+2/3
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