-3(5u-3)+3u=3(u+9)

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Solution for -3(5u-3)+3u=3(u+9) equation: 



-3(5u-3)+3u=3(u+9)

We move all terms to the left:

-3(5u-3)+3u-(3(u+9))=0

We add all the numbers together, and all the variables

3u-3(5u-3)-(3(u+9))=0

We multiply parentheses

3u-15u-(3(u+9))+9=0



We calculate terms in parentheses: -(3(u+9)), so:

3(u+9)

We multiply parentheses

3u+27

Back to the equation:

-(3u+27)



We add all the numbers together, and all the variables

-12u-(3u+27)+9=0

We get rid of parentheses

-12u-3u-27+9=0

We add all the numbers together, and all the variables

-15u-18=0

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

-15u=18

u=18/-15

u=-1+1/5

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