-12=5r+8*

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Solution for -12=5r+8* equation: 



-12=5r+8*

We move all terms to the left:

-12-(5r+8*)=0

We add all the numbers together, and all the variables

-(+5r)-12=0

We get rid of parentheses

-5r-12=0

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

-5r=12

r=12/-5

r=-2+2/5

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