9r+12=2r+26

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Solution for 9r+12=2r+26 equation: 



9r+12=2r+26

We move all terms to the left:

9r+12-(2r+26)=0

We get rid of parentheses

9r-2r-26+12=0

We add all the numbers together, and all the variables

7r-14=0

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

7r=14

r=14/7

r=2

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