-2=2+2u

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Solution for -2=2+2u equation: 



-2=2+2u

We move all terms to the left:

-2-(2+2u)=0

We add all the numbers together, and all the variables

-(2u+2)-2=0

We get rid of parentheses

-2u-2-2=0

We add all the numbers together, and all the variables

-2u-4=0

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

-2u=4

u=4/-2

u=-2

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