23=u/3+9

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Solution for 23=u/3+9 equation: 



23=u/3+9

We move all terms to the left:

23-(u/3+9)=0

We get rid of parentheses

-u/3-9+23=0

We multiply all the terms by the denominator


-u-9*3+23*3=0

We add all the numbers together, and all the variables

-1u+42=0

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

-u=-42

u=-42/-1

u=+42

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