5+8r=-91

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Solution for 5+8r=-91 equation: 



5+8r=-91

We move all terms to the left:

5+8r-(-91)=0

We add all the numbers together, and all the variables

8r+96=0

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

8r=-96

r=-96/8

r=-12

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