-12-r=-7.12

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Solution for -12-r=-7.12 equation: 



-12-r=-7.12

We move all terms to the left:

-12-r-(-7.12)=0

We add all the numbers together, and all the variables

-1r-4.88=0

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

-r=4.88

r=4.88/-1

r=-4+0.88/1

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