-3=r+3-4r

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Solution for -3=r+3-4r equation: 



-3=r+3-4r

We move all terms to the left:

-3-(r+3-4r)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

3r-3-3=0

We add all the numbers together, and all the variables

3r-6=0

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

3r=6

r=6/3

r=2

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