-7u-27=-4(u+9)

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Solution for -7u-27=-4(u+9) equation: 



-7u-27=-4(u+9)

We move all terms to the left:

-7u-27-(-4(u+9))=0



We calculate terms in parentheses: -(-4(u+9)), so:

-4(u+9)

We multiply parentheses

-4u-36

Back to the equation:

-(-4u-36)



We get rid of parentheses

-7u+4u+36-27=0

We add all the numbers together, and all the variables

-3u+9=0

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

-3u=-9

u=-9/-3

u=+3

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