2(r+8)=-31

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Solution for 2(r+8)=-31 equation: 



2(r+8)=-31

We move all terms to the left:

2(r+8)-(-31)=0

We add all the numbers together, and all the variables

2(r+8)+31=0

We multiply parentheses

2r+16+31=0

We add all the numbers together, and all the variables

2r+47=0

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

2r=-47

r=-47/2

r=-23+1/2

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