-0.5r-12=127

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Solution for -0.5r-12=127 equation: 



-0.5r-12=127

We move all terms to the left:

-0.5r-12-(127)=0

We add all the numbers together, and all the variables

-0.5r-139=0

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

-0.5r=139

r=139/-0.5

r=-278

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