-9u-25=-7(u+5)

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Solution for -9u-25=-7(u+5) equation: 



-9u-25=-7(u+5)

We move all terms to the left:

-9u-25-(-7(u+5))=0



We calculate terms in parentheses: -(-7(u+5)), so:

-7(u+5)

We multiply parentheses

-7u-35

Back to the equation:

-(-7u-35)



We get rid of parentheses

-9u+7u+35-25=0

We add all the numbers together, and all the variables

-2u+10=0

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

-2u=-10

u=-10/-2

u=+5

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