-23=3(u+4)-8u

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Solution for -23=3(u+4)-8u equation: 



-23=3(u+4)-8u

We move all terms to the left:

-23-(3(u+4)-8u)=0



We calculate terms in parentheses: -(3(u+4)-8u), so:

3(u+4)-8u

We add all the numbers together, and all the variables

-8u+3(u+4)

We multiply parentheses

-8u+3u+12

We add all the numbers together, and all the variables

-5u+12

Back to the equation:

-(-5u+12)



We get rid of parentheses

5u-12-23=0

We add all the numbers together, and all the variables

5u-35=0

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

5u=35

u=35/5

u=7

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