24=-8u+3(u-7)

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Solution for 24=-8u+3(u-7) equation: 



24=-8u+3(u-7)

We move all terms to the left:

24-(-8u+3(u-7))=0



We calculate terms in parentheses: -(-8u+3(u-7)), so:

-8u+3(u-7)

We multiply parentheses

-8u+3u-21

We add all the numbers together, and all the variables

-5u-21

Back to the equation:

-(-5u-21)



We get rid of parentheses

5u+21+24=0

We add all the numbers together, and all the variables

5u+45=0

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

5u=-45

u=-45/5

u=-9

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