r-3r=-14-4r

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Solution for r-3r=-14-4r equation: 



r-3r=-14-4r

We move all terms to the left:

r-3r-(-14-4r)=0

We add all the numbers together, and all the variables

r-3r-(-4r-14)=0

We add all the numbers together, and all the variables

-2r-(-4r-14)=0

We get rid of parentheses

-2r+4r+14=0

We add all the numbers together, and all the variables

2r+14=0

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

2r=-14

r=-14/2

r=-7

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