39=-5u+2(u+6)

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Solution for 39=-5u+2(u+6) equation:



39=-5u+2(u+6)
We move all terms to the left:
39-(-5u+2(u+6))=0
We calculate terms in parentheses: -(-5u+2(u+6)), so:
-5u+2(u+6)
We multiply parentheses
-5u+2u+12
We add all the numbers together, and all the variables
-3u+12
Back to the equation:
-(-3u+12)
We get rid of parentheses
3u-12+39=0
We add all the numbers together, and all the variables
3u+27=0
We move all terms containing u to the left, all other terms to the right
3u=-27
u=-27/3
u=-9

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