8u=u+7

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Solution for 8u=u+7 equation: 



8u=u+7

We move all terms to the left:

8u-(u+7)=0

We get rid of parentheses

8u-u-7=0

We add all the numbers together, and all the variables

7u-7=0

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

7u=7

u=7/7

u=1

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