SOLUTION: 3^x+2=15 solve to the nearest hundredth I need help with this problem

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Question 52369: 3^x+2=15
solve to the nearest hundredth
I need help with this problem

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Solve:
3%5Ex+%2B+2+=+15 Subtract 2 from both sides of the equation.
3%5Ex+=+13 Lake the logarithm of both sides.
log%283%5Ex%29+=+log%2813%29 Simplify.
xlog%283%29+=+log%2813%29 Divide both sides by log(3)
x+=+%28log%2813%29%29%2Flog%283%29 = 2.3347... Round to the nearest hundredth.
x = 2.33