1+7r+6r=1-2r

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Solution for 1+7r+6r=1-2r equation: 



1+7r+6r=1-2r

We move all terms to the left:

1+7r+6r-(1-2r)=0

We add all the numbers together, and all the variables

7r+6r-(-2r+1)+1=0

We add all the numbers together, and all the variables

13r-(-2r+1)+1=0

We get rid of parentheses

13r+2r-1+1=0

We add all the numbers together, and all the variables

15r=0

r=0/15

r=0

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