u-3=-2u+15

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Solution for u-3=-2u+15 equation: 



u-3=-2u+15

We move all terms to the left:

u-3-(-2u+15)=0

We get rid of parentheses

u+2u-15-3=0

We add all the numbers together, and all the variables

3u-18=0

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

3u=18

u=18/3

u=6

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