u+77=8u

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Solution for u+77=8u equation: 



u+77=8u

We move all terms to the left:

u+77-(8u)=0

We add all the numbers together, and all the variables

-7u+77=0

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

-7u=-77

u=-77/-7

u=+11

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