-2-r-8=-5r-12

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Solution for -2-r-8=-5r-12 equation: 



-2-r-8=-5r-12

We move all terms to the left:

-2-r-8-(-5r-12)=0

We add all the numbers together, and all the variables

-1r-(-5r-12)-10=0

We get rid of parentheses

-1r+5r+12-10=0

We add all the numbers together, and all the variables

4r+2=0

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

4r=-2

r=-2/4

r=-1/2

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