-24=6u+3(u+7)

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Solution for -24=6u+3(u+7) equation: 



-24=6u+3(u+7)

We move all terms to the left:

-24-(6u+3(u+7))=0



We calculate terms in parentheses: -(6u+3(u+7)), so:

6u+3(u+7)

We multiply parentheses

6u+3u+21

We add all the numbers together, and all the variables

9u+21

Back to the equation:

-(9u+21)



We get rid of parentheses

-9u-21-24=0

We add all the numbers together, and all the variables

-9u-45=0

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

-9u=45

u=45/-9

u=-5

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