-8u=-27+u

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Solution for -8u=-27+u equation: 



-8u=-27+u

We move all terms to the left:

-8u-(-27+u)=0

We add all the numbers together, and all the variables

-8u-(u-27)=0

We get rid of parentheses

-8u-u+27=0

We add all the numbers together, and all the variables

-9u+27=0

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

-9u=-27

u=-27/-9

u=+3

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