-2(9u-9)+6u=3(u+7)

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Solution for -2(9u-9)+6u=3(u+7) equation: 



-2(9u-9)+6u=3(u+7)

We move all terms to the left:

-2(9u-9)+6u-(3(u+7))=0

We add all the numbers together, and all the variables

6u-2(9u-9)-(3(u+7))=0

We multiply parentheses

6u-18u-(3(u+7))+18=0



We calculate terms in parentheses: -(3(u+7)), so:

3(u+7)

We multiply parentheses

3u+21

Back to the equation:

-(3u+21)



We add all the numbers together, and all the variables

-12u-(3u+21)+18=0

We get rid of parentheses

-12u-3u-21+18=0

We add all the numbers together, and all the variables

-15u-3=0

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

-15u=3

u=3/-15

u=-1/5

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