-3u+18=3(u+2)

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Solution for -3u+18=3(u+2) equation: 



-3u+18=3(u+2)

We move all terms to the left:

-3u+18-(3(u+2))=0



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

3(u+2)

We multiply parentheses

3u+6

Back to the equation:

-(3u+6)



We get rid of parentheses

-3u-3u-6+18=0

We add all the numbers together, and all the variables

-6u+12=0

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

-6u=-12

u=-12/-6

u=+2

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