-8-8u=7+7u

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



-8-8u=7+7u

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-8u-7u-7-8=0

We add all the numbers together, and all the variables

-15u-15=0

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

-15u=15

u=15/-15

u=-1

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