SOLUTION: if r = 2b - 4d, find r when b=8 and d=5

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Question 722245: if r = 2b - 4d, find r when b=8 and d=5
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
r = 2b - 4d, find r when b=8 and d=5
r=2*8-4*5
r=16-20=-4 ans.