u+22=2u+2

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Solution for u+22=2u+2 equation: 



u+22=2u+2

We move all terms to the left:

u+22-(2u+2)=0

We get rid of parentheses

u-2u-2+22=0

We add all the numbers together, and all the variables

-1u+20=0

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

-u=-20

u=-20/-1

u=+20

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