-15=-6u+3(u-6)

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Solution for -15=-6u+3(u-6) equation: 



-15=-6u+3(u-6)

We move all terms to the left:

-15-(-6u+3(u-6))=0



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

-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+18-15=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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