7+u=8u

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Solution for 7+u=8u equation: 



7+u=8u

We move all terms to the left:

7+u-(8u)=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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