-3u-5=-7(u-5)

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Solution for -3u-5=-7(u-5) equation: 



-3u-5=-7(u-5)

We move all terms to the left:

-3u-5-(-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

-3u+7u-35-5=0

We add all the numbers together, and all the variables

4u-40=0

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

4u=40

u=40/4

u=10

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