7-5r+2r=-14

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Solution for 7-5r+2r=-14 equation: 



7-5r+2r=-14

We move all terms to the left:

7-5r+2r-(-14)=0

We add all the numbers together, and all the variables

-3r+21=0

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

-3r=-21

r=-21/-3

r=+7

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