125^3x-4=(1/25)^x+16 - Universityku

125^3x-4=(1/25)^x+16

Penjelasan dengan langkah-langkah:

$125 {}^{3x - 4} = ( frac{1}{25} ) {}^{x + 16} \ {(5^{3})}^{3x - 4} = ( {5}^{ - 2} ) {}^{x + 16} \ {5}^{9x - 12} = {5}^{ - 2x - 32} \ maka \ 9x - 12 = - 2x - 32\ 9x + 2x = - 32 + 12 \ 11x = - 20 \ x = frac{ - 20}{11}$