9=-6u+3(u+2)

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Solution for 9=-6u+3(u+2) equation: 



9=-6u+3(u+2)

We move all terms to the left:

9-(-6u+3(u+2))=0



We calculate terms in parentheses: -(-6u+3(u+2)), so:

-6u+3(u+2)

We multiply parentheses

-6u+3u+6

We add all the numbers together, and all the variables

-3u+6

Back to the equation:

-(-3u+6)



We get rid of parentheses

3u-6+9=0

We add all the numbers together, and all the variables

3u+3=0

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

3u=-3

u=-3/3

u=-1

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