-9u-30=-2(u+1)

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Solution for -9u-30=-2(u+1) equation: 



-9u-30=-2(u+1)

We move all terms to the left:

-9u-30-(-2(u+1))=0



We calculate terms in parentheses: -(-2(u+1)), so:

-2(u+1)

We multiply parentheses

-2u-2

Back to the equation:

-(-2u-2)



We get rid of parentheses

-9u+2u+2-30=0

We add all the numbers together, and all the variables

-7u-28=0

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

-7u=28

u=28/-7

u=-4

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