-3(7u-3)+8u=3(u+9)

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Solution for -3(7u-3)+8u=3(u+9) equation: 



-3(7u-3)+8u=3(u+9)

We move all terms to the left:

-3(7u-3)+8u-(3(u+9))=0

We add all the numbers together, and all the variables

8u-3(7u-3)-(3(u+9))=0

We multiply parentheses

8u-21u-(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

-13u-(3u+27)+9=0

We get rid of parentheses

-13u-3u-27+9=0

We add all the numbers together, and all the variables

-16u-18=0

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

-16u=18

u=18/-16

u=-1+1/8

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