-9u+5=-7(u+1)

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Solution for -9u+5=-7(u+1) equation: 



-9u+5=-7(u+1)

We move all terms to the left:

-9u+5-(-7(u+1))=0



We calculate terms in parentheses: -(-7(u+1)), so:

-7(u+1)

We multiply parentheses

-7u-7

Back to the equation:

-(-7u-7)



We get rid of parentheses

-9u+7u+7+5=0

We add all the numbers together, and all the variables

-2u+12=0

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

-2u=-12

u=-12/-2

u=+6

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