R-6+7=-9-4R+7r

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Solution for R-6+7=-9-4R+7r equation: 



-6+7=-9-4+7R

We move all terms to the left:

-6+7-(-9-4+7R)=0

We add all the numbers together, and all the variables

-(7R-13)-6+7=0

We add all the numbers together, and all the variables

-(7R-13)+1=0

We get rid of parentheses

-7R+13+1=0

We add all the numbers together, and all the variables

-7R+14=0

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

-7R=-14

R=-14/-7

R=+2

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