12r-1+6r=11

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Solution for 12r-1+6r=11 equation: 



12r-1+6r=11

We move all terms to the left:

12r-1+6r-(11)=0

We add all the numbers together, and all the variables

18r-12=0

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

18r=12

r=12/18

r=2/3

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