Question

-2x-1 sobre 0,5 vezes 3x+1 sobre 4 = x-1 sobre 8

Answer 1

Bom dia

(1/2)^(-2x - 1) * 4^(3x + 1) = 8^(x - 1)

na base 2

2^(2x + 1) * 2^(6x + 2) = 2^(3x - 3)

2^(2x + 1 + 6x + 2) = 2^(3x - 3)
2^(8x + 3) = 2^(3x - 3)

8x + 3 = 3x - 3
5x = -6

x = -6/5