27=-9(u+7)

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Solution for 27=-9(u+7) equation: 



27=-9(u+7)

We move all terms to the left:

27-(-9(u+7))=0



We calculate terms in parentheses: -(-9(u+7)), so:

-9(u+7)

We multiply parentheses

-9u-63

Back to the equation:

-(-9u-63)



We get rid of parentheses

9u+63+27=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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