7r+9=(2r+29)

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Solution for 7r+9=(2r+29) equation: 



7r+9=(2r+29)

We move all terms to the left:

7r+9-((2r+29))=0



We calculate terms in parentheses: -((2r+29)), so:

(2r+29)

We get rid of parentheses

2r+29

Back to the equation:

-(2r+29)



We get rid of parentheses

7r-2r-29+9=0

We add all the numbers together, and all the variables

5r-20=0

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

5r=20

r=20/5

r=4

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