2=-3+r/3

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Solution for 2=-3+r/3 equation: 



2=-3+r/3

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-r/3+3+2=0

We multiply all the terms by the denominator


-r+3*3+2*3=0

We add all the numbers together, and all the variables

-1r+15=0

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

-r=-15

r=-15/-1

r=+15

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