-12=3(u-6)-6u

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Solution for -12=3(u-6)-6u equation: 



-12=3(u-6)-6u

We move all terms to the left:

-12-(3(u-6)-6u)=0



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

3(u-6)-6u

We add all the numbers together, and all the variables

-6u+3(u-6)

We multiply parentheses

-6u+3u-18

We add all the numbers together, and all the variables

-3u-18

Back to the equation:

-(-3u-18)



We get rid of parentheses

3u+18-12=0

We add all the numbers together, and all the variables

3u+6=0

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

3u=-6

u=-6/3

u=-2

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