23=8u-7+2u

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Solution for 23=8u-7+2u equation: 



23=8u-7+2u

We move all terms to the left:

23-(8u-7+2u)=0

We add all the numbers together, and all the variables

-(10u-7)+23=0

We get rid of parentheses

-10u+7+23=0

We add all the numbers together, and all the variables

-10u+30=0

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

-10u=-30

u=-30/-10

u=+3

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