Question

Solve : 3^4x-7= 4^2x+3

Answer 1

this a repeat?

Answer 2

Yep it is...let me find it

Answer 3

http://openstudy.com/study#/updates/4f402100e4b0534c53cc0016

Answer 4

start with
\[(4x-7)\ln(3)=(2x+3)\ln(4)\] then algebra

Answer 5

\[4\ln(3)x-7\ln(3)=2\ln(4)x-3\ln(4)\]
\[4\ln(3)x-2\ln(4)x=7\ln(3)-3\ln(4)\]
\[(4\ln(x)-2\ln(4))x = 7\ln(3)-3\ln(4)\]
\[x=\frac{7\ln(3)-3\ln(4)}{4\ln(x)-2\ln(4)\]

Answer 6

\[x=\frac{7\ln(3)-3\ln(4)}{4\ln(x)-2\ln(4)}\]