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

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



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

We move all terms to the left:

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



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

3(u-3)+5u

We add all the numbers together, and all the variables

5u+3(u-3)

We multiply parentheses

5u+3u-9

We add all the numbers together, and all the variables

8u-9

Back to the equation:

-(8u-9)



We get rid of parentheses

-8u+9-18=0

We add all the numbers together, and all the variables

-8u-9=0

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

-8u=9

u=9/-8

u=-1+1/8

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