-9=-6u+3(u+5)

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Solution for -9=-6u+3(u+5) equation: 



-9=-6u+3(u+5)

We move all terms to the left:

-9-(-6u+3(u+5))=0



We calculate terms in parentheses: -(-6u+3(u+5)), so:

-6u+3(u+5)

We multiply parentheses

-6u+3u+15

We add all the numbers together, and all the variables

-3u+15

Back to the equation:

-(-3u+15)



We get rid of parentheses

3u-15-9=0

We add all the numbers together, and all the variables

3u-24=0

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

3u=24

u=24/3

u=8

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