Question

25 elevado a 2x-3=125 elevado x + 4

Answer 1

$25^{2x-3}=125^{x+4} \\ \\ (5^{2})^{2x-3}=(5^{3})^{x+4} \\ \\ 5^{4x-6}=5^{3x+12} \\ \\ 4x-6=3x+12 \\ \\ 4x-3x=6+12 \\ \\ x = 18$

Espero ter ajudado.