1+6r+7r=27

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Solution for 1+6r+7r=27 equation: 



1+6r+7r=27

We move all terms to the left:

1+6r+7r-(27)=0

We add all the numbers together, and all the variables

13r-26=0

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

13r=26

r=26/13

r=2

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