0.125 * 8^(2x-5) = (кор2/4)^-4
1/8 * 8^(2x - 5) = (√2/4)^-4 2^-3 * 2^3(2x-5) = (4/√2)^4 2^(-3 +6x -15) = 2^8/4 2^(6x -18) = 2^6 6x - 18 = 6 6x = 24 x = 4