8=2r-5r

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Solution for 8=2r-5r equation: 



8=2r-5r

We move all terms to the left:

8-(2r-5r)=0

We add all the numbers together, and all the variables

-(-3r)+8=0

We get rid of parentheses

3r+8=0

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

3r=-8

r=-8/3

r=-2+2/3

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