u+7=-20+3u-11

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Solution for u+7=-20+3u-11 equation: 



u+7=-20+3u-11

We move all terms to the left:

u+7-(-20+3u-11)=0

We add all the numbers together, and all the variables

u-(3u-31)+7=0

We get rid of parentheses

u-3u+31+7=0

We add all the numbers together, and all the variables

-2u+38=0

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

-2u=-38

u=-38/-2

u=+19

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