Question

8e^3x + 4=15

Answer 1

algebra first
\[8e^{3x}+4=15\\
8e^{3x}=11\\
e^{3x}=\frac{11}{8}\]

Answer 2

then in logarithmic form is it
\[3x=\ln(\frac{11}{8})\]

Answer 3

divide by 3 and get
\[x=\frac{1}{3}\ln\left(\frac{11}{8}\right)\]

Answer 4

so like 0.106?

Answer 5

HI!!

Answer 6

that looks good

Answer 7

cool, thanks :) @misty1212

Answer 8

here is @satellite way
http://www.wolframalpha.com/input/?i=ln%2811%2F8%29%2F3

Answer 9

here is misty way
http://www.wolframalpha.com/input/?i=8e%5E%283x%29+%2B+4%3D15

Answer 10

you are going to use a calculator anyways, why screw around?