4=2u+2

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Solution for 4=2u+2 equation: 



4=2u+2

We move all terms to the left:

4-(2u+2)=0

We get rid of parentheses

-2u-2+4=0

We add all the numbers together, and all the variables

-2u+2=0

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

-2u=-2

u=-2/-2

u=1

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