u-8=-7u+7

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



u-8=-7u+7

We move all terms to the left:

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

We get rid of parentheses

u+7u-7-8=0

We add all the numbers together, and all the variables

8u-15=0

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

8u=15

u=15/8

u=1+7/8

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