9=3/4u

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Solution for 9=3/4u equation: 



9=3/4u

We move all terms to the left:

9-(3/4u)=0



Domain of the equation: 4u)!=0

u!=0/1

u!=0

u∈R



We add all the numbers together, and all the variables

-(+3/4u)+9=0

We get rid of parentheses

-3/4u+9=0

We multiply all the terms by the denominator


9*4u-3=0

Wy multiply elements

36u-3=0

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

36u=3

u=3/36

u=1/12

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