Question

8 в степени 2х+1=0.125      помогите решить  

Answer 1

8 = 2^3     0.125 = 125/1000 = 1/8 = 8^(-1) = 2^(-3)
8^(x+1) = 2^(3x+3)
3x+3 = -3
3x = -6
x = -2