若3^x+1*2^x+1=36^2x-3,求x=?有分了补上!_数学解答

若3^x+1*2^x+1=36^2x-3,求x=?有分了补上!

人气：426 ℃　时间：2020-09-29 11:17:14

解答

3^(x+1) * 2^(x+1) = 36^(2x-3)
(3 * 2)^(x+1) = (6^2)^(2x-3)
6^(x+1) = 6^(4x-6)
x+1 = 4x-6
7 = 3x
x = 7/3