8-4r=r-2

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Solution for 8-4r=r-2 equation: 



8-4r=r-2

We move all terms to the left:

8-4r-(r-2)=0

We get rid of parentheses

-4r-r+2+8=0

We add all the numbers together, and all the variables

-5r+10=0

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

-5r=-10

r=-10/-5

r=+2

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