18=-2u+5(u+3)

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Solution for 18=-2u+5(u+3) equation: 



18=-2u+5(u+3)

We move all terms to the left:

18-(-2u+5(u+3))=0



We calculate terms in parentheses: -(-2u+5(u+3)), so:

-2u+5(u+3)

We multiply parentheses

-2u+5u+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+18=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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