2u+7=-9(u+9)

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Solution for 2u+7=-9(u+9) equation: 



2u+7=-9(u+9)

We move all terms to the left:

2u+7-(-9(u+9))=0



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

-9(u+9)

We multiply parentheses

-9u-81

Back to the equation:

-(-9u-81)



We get rid of parentheses

2u+9u+81+7=0

We add all the numbers together, and all the variables

11u+88=0

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

11u=-88

u=-88/11

u=-8

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