8r+8+4r=-4

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Solution for 8r+8+4r=-4 equation: 



8r+8+4r=-4

We move all terms to the left:

8r+8+4r-(-4)=0

We add all the numbers together, and all the variables

12r+12=0

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

12r=-12

r=-12/12

r=-1

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