u-2=18u+2-15u

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Solution for u-2=18u+2-15u equation: 



u-2=18u+2-15u

We move all terms to the left:

u-2-(18u+2-15u)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

u-3u-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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