3=u/9

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Solution for 3=u/9 equation: 



3=u/9

We move all terms to the left:

3-(u/9)=0

We add all the numbers together, and all the variables

-(+u/9)+3=0

We get rid of parentheses

-u/9+3=0

We multiply all the terms by the denominator


-u+3*9=0

We add all the numbers together, and all the variables

-1u+27=0

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

-u=-27

u=-27/-1

u=+27

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