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-7u-3=2(u-6)
We move all terms to the left:
-7u-3-(2(u-6))=0
We calculate terms in parentheses: -(2(u-6)), so:We get rid of parentheses
2(u-6)
We multiply parentheses
2u-12
Back to the equation:
-(2u-12)
-7u-2u+12-3=0
We add all the numbers together, and all the variables
-9u+9=0
We move all terms containing u to the left, all other terms to the right
-9u=-9
u=-9/-9
u=1
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