-2u-12=9(u+6)

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Solution for -2u-12=9(u+6) equation: 



-2u-12=9(u+6)

We move all terms to the left:

-2u-12-(9(u+6))=0



We calculate terms in parentheses: -(9(u+6)), so:

9(u+6)

We multiply parentheses

9u+54

Back to the equation:

-(9u+54)



We get rid of parentheses

-2u-9u-54-12=0

We add all the numbers together, and all the variables

-11u-66=0

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

-11u=66

u=66/-11

u=-6

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