r+11+8r=29,r

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Solution for r+11+8r=29,r equation: 



r+11+8r=29.r

We move all terms to the left:

r+11+8r-(29.r)=0

We add all the numbers together, and all the variables

r+8r-(+29.r)+11=0

We add all the numbers together, and all the variables

9r-(+29.r)+11=0

We get rid of parentheses

9r-29.r+11=0

We add all the numbers together, and all the variables

-20r+11=0

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

-20r=-11

r=-11/-20

r=11/20

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