r-1-4r=1-r

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Solution for r-1-4r=1-r equation: 



r-1-4r=1-r

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-3r-(-1r+1)-1=0

We get rid of parentheses

-3r+1r-1-1=0

We add all the numbers together, and all the variables

-2r-2=0

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

-2r=2

r=2/-2

r=-1

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