-2+7u=8u-8

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



-2+7u=8u-8

We move all terms to the left:

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

We get rid of parentheses

7u-8u+8-2=0

We add all the numbers together, and all the variables

-1u+6=0

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

-u=-6

u=-6/-1

u=+6

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