3u=7(u+8)-12

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Solution for 3u=7(u+8)-12 equation: 



3u=7(u+8)-12

We move all terms to the left:

3u-(7(u+8)-12)=0



We calculate terms in parentheses: -(7(u+8)-12), so:

7(u+8)-12

We multiply parentheses

7u+56-12

We add all the numbers together, and all the variables

7u+44

Back to the equation:

-(7u+44)



We get rid of parentheses

3u-7u-44=0

We add all the numbers together, and all the variables

-4u-44=0

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

-4u=44

u=44/-4

u=-11

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