12r-11-19r=3

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Solution for 12r-11-19r=3 equation: 



12r-11-19r=3

We move all terms to the left:

12r-11-19r-(3)=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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