-117=9(u-3)

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Solution for -117=9(u-3) equation: 



-117=9(u-3)

We move all terms to the left:

-117-(9(u-3))=0



We calculate terms in parentheses: -(9(u-3)), so:

9(u-3)

We multiply parentheses

9u-27

Back to the equation:

-(9u-27)



We get rid of parentheses

-9u+27-117=0

We add all the numbers together, and all the variables

-9u-90=0

We move all terms containing u to the left, all other terms to the right

-9u=90

u=90/-9

u=-10

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