18=-5u+3(u+8)

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Solution for 18=-5u+3(u+8) equation: 



18=-5u+3(u+8)

We move all terms to the left:

18-(-5u+3(u+8))=0



We calculate terms in parentheses: -(-5u+3(u+8)), so:

-5u+3(u+8)

We multiply parentheses

-5u+3u+24

We add all the numbers together, and all the variables

-2u+24

Back to the equation:

-(-2u+24)



We get rid of parentheses

2u-24+18=0

We add all the numbers together, and all the variables

2u-6=0

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

2u=6

u=6/2

u=3

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