-2=-5r+4r

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Solution for -2=-5r+4r equation: 



-2=-5r+4r

We move all terms to the left:

-2-(-5r+4r)=0

We add all the numbers together, and all the variables

-(-1r)-2=0

We get rid of parentheses

1r-2=0

We add all the numbers together, and all the variables

r-2=0

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

r=2

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