u-30=2u-79

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Solution for u-30=2u-79 equation: 



u-30=2u-79

We move all terms to the left:

u-30-(2u-79)=0

We get rid of parentheses

u-2u+79-30=0

We add all the numbers together, and all the variables

-1u+49=0

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

-u=-49

u=-49/-1

u=+49

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