-7=2/3r

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Solution for -7=2/3r equation: 



-7=2/3r

We move all terms to the left:

-7-(2/3r)=0



Domain of the equation: 3r)!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

-(+2/3r)-7=0

We get rid of parentheses

-2/3r-7=0

We multiply all the terms by the denominator


-7*3r-2=0

Wy multiply elements

-21r-2=0

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

-21r=2

r=2/-21

r=-2/21

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