SOLUTION: 8^-x/50=2 whats the solution of this exponential equation?

Question 979490: 8^-x/50=2 whats the solution of this exponential equation?
Found 3 solutions by Fombitz, Alan3354, Cromlix:
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
8^-x/50=2
8^-x = 100
8^x = 0.01
x*log(8) = -2
x = -2/log(8)
x =~ -2.214619
Answer by Cromlix(4381)   (Show Source): You can put this solution on YOUR website!
Hi there,
8^-x /50 = 2
Cross multiply
8^-x = 100
-x log8 = log100
-x = log100/log8
-x = 2.22 (to 2 decimal places)
x = -2.22
hope this helps:-)
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