Question

2.2^x +2.2^-3 =5 solve for x​

Answer 1

x = 2.0172

Explanation:

2.2^x+2.2^-3=5

-> 2.2^x+0.093914 = 5

-> + -0.93914 + -0.93914

-> 2.2^x = 4.906086

-> x = log(4.906086/log(2.2)

-> x = 2.0172