-2=r/3-1

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Solution for -2=r/3-1 equation: 



-2=r/3-1

We move all terms to the left:

-2-(r/3-1)=0

We get rid of parentheses

-r/3+1-2=0

We multiply all the terms by the denominator


-r+1*3-2*3=0

We add all the numbers together, and all the variables

-1r-3=0

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

-r=3

r=3/-1

r=-3

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