SOLUTION: -4 log (2x+5) +9 = 8.2

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Question 1004350: -4 log (2x+5) +9 = 8.2
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
From -4 log (2x+5) +9 = 8.2
subtract 9 and then divide by -4
-4*log(2x+5) = -.8
log(2x+5) = .2
Now exponentiate 10-to-the
2x + 5 = 10^.2 = 1.585
2x = -3.415
x = -1.708 or so