2r+7-r=4r-9=2

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Solution for 2r+7-r=4r-9=2 equation: 



2r+7-r=4r-9=2

We move all terms to the left:

2r+7-r-(4r-9)=0

We add all the numbers together, and all the variables

r-(4r-9)+7=0

We get rid of parentheses

r-4r+9+7=0

We add all the numbers together, and all the variables

-3r+16=0

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

-3r=-16

r=-16/-3

r=5+1/3

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