Question

Equação exponencial: (1/16)^x-2=8^x

Answer 1

(1/16)^x-2 = 8^x

(1/2^4)^(x-2) = (2³)^x

1/2^4(x-2) = 2^(3x)

2^-4(x-2) = 2^(3x)

-4(x-2) = 3x

-4x+8 -3x =0

-7x = -8

x= 8/7 >>