3=u-2

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Solution for 3=u-2 equation: 



3=u-2

We move all terms to the left:

3-(u-2)=0

We get rid of parentheses

-u+2+3=0

We add all the numbers together, and all the variables

-1u+5=0

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

-u=-5

u=-5/-1

u=+5

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