-2u=-3-u

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Solution for -2u=-3-u equation: 



-2u=-3-u

We move all terms to the left:

-2u-(-3-u)=0

We add all the numbers together, and all the variables

-2u-(-1u-3)=0

We get rid of parentheses

-2u+1u+3=0

We add all the numbers together, and all the variables

-1u+3=0

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

-u=-3

u=-3/-1

u=+3

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