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7u+36=2(u-2)
We move all terms to the left:
7u+36-(2(u-2))=0
We calculate terms in parentheses: -(2(u-2)), so:We get rid of parentheses
2(u-2)
We multiply parentheses
2u-4
Back to the equation:
-(2u-4)
7u-2u+4+36=0
We add all the numbers together, and all the variables
5u+40=0
We move all terms containing u to the left, all other terms to the right
5u=-40
u=-40/5
u=-8
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