R+r+3+7r=51-3r

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Solution for R+r+3+7r=51-3r equation: 



+R+3+7R=51-3R

We move all terms to the left:

+R+3+7R-(51-3R)=0

We add all the numbers together, and all the variables

R+7R-(-3R+51)+3=0

We add all the numbers together, and all the variables

8R-(-3R+51)+3=0

We get rid of parentheses

8R+3R-51+3=0

We add all the numbers together, and all the variables

11R-48=0

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

11R=48

R=48/11

R=4+4/11

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