SOLUTION: Can anyone help with this one? 3^(2x+5) = 4 I started with (2x+5) log3 = log4 then 2xlog3 + 5log3 = log4 but now I'm lost, I know the answer is -1.87

Question 20604: Can anyone help with this one?
3^(2x+5) = 4
I started with (2x+5) log3 = log4
then 2xlog3 + 5log3 = log4
but now I'm lost,
I know the answer is -1.87
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
You got a good start.
Take the log of both sides.
Divide both sides of the equation by log(3).
Subtract 5 from both sides.
Use you calculator to find

Divide both sides by 2.

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