7u+7=-8u+8

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



7u+7=-8u+8

We move all terms to the left:

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

We get rid of parentheses

7u+8u-8+7=0

We add all the numbers together, and all the variables

15u-1=0

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

15u=1

u=1/15

u=1/15

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