9r+4=2r+11

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Solution for 9r+4=2r+11 equation: 



9r+4=2r+11

We move all terms to the left:

9r+4-(2r+11)=0

We get rid of parentheses

9r-2r-11+4=0

We add all the numbers together, and all the variables

7r-7=0

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

7r=7

r=7/7

r=1

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