u=8u-56

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Solution for u=8u-56 equation: 



u=8u-56

We move all terms to the left:

u-(8u-56)=0

We get rid of parentheses

u-8u+56=0

We add all the numbers together, and all the variables

-7u+56=0

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

-7u=-56

u=-56/-7

u=+8

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