1+2r=6+7r

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



1+2r=6+7r

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2r-7r-6+1=0

We add all the numbers together, and all the variables

-5r-5=0

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

-5r=5

r=5/-5

r=-1

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