R+7r=-12+5r

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Solution for R+7r=-12+5r equation: 



+7R=-12+5R

We move all terms to the left:

+7R-(-12+5R)=0

We add all the numbers together, and all the variables

7R-(5R-12)=0

We get rid of parentheses

7R-5R+12=0

We add all the numbers together, and all the variables

2R+12=0

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

2R=-12

R=-12/2

R=-6

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