-3u-15=8(u+5)

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Solution for -3u-15=8(u+5) equation: 



-3u-15=8(u+5)

We move all terms to the left:

-3u-15-(8(u+5))=0



We calculate terms in parentheses: -(8(u+5)), so:

8(u+5)

We multiply parentheses

8u+40

Back to the equation:

-(8u+40)



We get rid of parentheses

-3u-8u-40-15=0

We add all the numbers together, and all the variables

-11u-55=0

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

-11u=55

u=55/-11

u=-5

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