-12-7r=16

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Solution for -12-7r=16 equation: 



-12-7r=16

We move all terms to the left:

-12-7r-(16)=0

We add all the numbers together, and all the variables

-7r-28=0

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

-7r=28

r=28/-7

r=-4

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