2r-12=-16

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Solution for 2r-12=-16 equation: 



2r-12=-16

We move all terms to the left:

2r-12-(-16)=0

We add all the numbers together, and all the variables

2r+4=0

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

2r=-4

r=-4/2

r=-2

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