-8(u+4)=3u-21

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Solution for -8(u+4)=3u-21 equation: 



-8(u+4)=3u-21

We move all terms to the left:

-8(u+4)-(3u-21)=0

We multiply parentheses

-8u-(3u-21)-32=0

We get rid of parentheses

-8u-3u+21-32=0

We add all the numbers together, and all the variables

-11u-11=0

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

-11u=11

u=11/-11

u=-1

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