9r+3=7r+19

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Solution for 9r+3=7r+19 equation: 



9r+3=7r+19

We move all terms to the left:

9r+3-(7r+19)=0

We get rid of parentheses

9r-7r-19+3=0

We add all the numbers together, and all the variables

2r-16=0

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

2r=16

r=16/2

r=8

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