7r+2=5r-20=

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Solution for 7r+2=5r-20= equation: 



7r+2=5r-20=

We move all terms to the left:

7r+2-(5r-20)=0

We get rid of parentheses

7r-5r+20+2=0

We add all the numbers together, and all the variables

2r+22=0

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

2r=-22

r=-22/2

r=-11

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