-9=1/3r-4

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Solution for -9=1/3r-4 equation: 



-9=1/3r-4

We move all terms to the left:

-9-(1/3r-4)=0



Domain of the equation: 3r-4)!=0

r∈R



We get rid of parentheses

-1/3r+4-9=0

We multiply all the terms by the denominator


4*3r-9*3r-1=0

Wy multiply elements

12r-27r-1=0

We add all the numbers together, and all the variables

-15r-1=0

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

-15r=1

r=1/-15

r=-1/15

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