2=u/3+9

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Solution for 2=u/3+9 equation: 



2=u/3+9

We move all terms to the left:

2-(u/3+9)=0

We get rid of parentheses

-u/3-9+2=0

We multiply all the terms by the denominator


-u-9*3+2*3=0

We add all the numbers together, and all the variables

-1u-21=0

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

-u=21

u=21/-1

u=-21

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