-2r/5=12

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Solution for -2r/5=12 equation: 



-2r/5=12

We move all terms to the left:

-2r/5-(12)=0

We multiply all the terms by the denominator


-2r-12*5=0

We add all the numbers together, and all the variables

-2r-60=0

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

-2r=60

r=60/-2

r=-30

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