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64=89(4+x)
We move all terms to the left:
64-(89(4+x))=0
We add all the numbers together, and all the variables
-(89(x+4))+64=0
We calculate terms in parentheses: -(89(x+4)), so:We get rid of parentheses
89(x+4)
We multiply parentheses
89x+356
Back to the equation:
-(89x+356)
-89x-356+64=0
We add all the numbers together, and all the variables
-89x-292=0
We move all terms containing x to the left, all other terms to the right
-89x=292
x=292/-89
x=-3+25/89
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