-27=1-6r+2r

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Solution for -27=1-6r+2r equation: 



-27=1-6r+2r

We move all terms to the left:

-27-(1-6r+2r)=0

We add all the numbers together, and all the variables

-(-4r+1)-27=0

We get rid of parentheses

4r-1-27=0

We add all the numbers together, and all the variables

4r-28=0

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

4r=28

r=28/4

r=7

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