8r+7=-7

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Solution for 8r+7=-7 equation: 



8r+7=-7

We move all terms to the left:

8r+7-(-7)=0

We add all the numbers together, and all the variables

8r+14=0

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

8r=-14

r=-14/8

r=-1+3/4

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