-27=-7u+3(u+3)

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Solution for -27=-7u+3(u+3) equation: 



-27=-7u+3(u+3)

We move all terms to the left:

-27-(-7u+3(u+3))=0



We calculate terms in parentheses: -(-7u+3(u+3)), so:

-7u+3(u+3)

We multiply parentheses

-7u+3u+9

We add all the numbers together, and all the variables

-4u+9

Back to the equation:

-(-4u+9)



We get rid of parentheses

4u-9-27=0

We add all the numbers together, and all the variables

4u-36=0

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

4u=36

u=36/4

u=9

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