-9=u/3

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Solution for -9=u/3 equation: 



-9=u/3

We move all terms to the left:

-9-(u/3)=0

We add all the numbers together, and all the variables

-(+u/3)-9=0

We get rid of parentheses

-u/3-9=0

We multiply all the terms by the denominator


-u-9*3=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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