SOLUTION: Please help I have the equation: (1/8)*2^(-3r) = 2^(-r) I need to solve for r but i do do not know how since I have that "1/8" please help me understand why we do each step to so

SOLUTION: Please help I have the equation: (1/8)*2^(-3r) = 2^(-r) I need to solve for r but i do do not know how since I have that "1/8" please help me understand why we do each step to so

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Question 875557: Please help I have the equation:
(1/8)*2^(-3r) = 2^(-r)
I need to solve for r but i do do not know how since I have that "1/8" please help me understand why we do each step to solve the problem.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

-3r-3 = -r
-3 = 2r
-3/2 = r
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