Question

Quanto é (3/5)elevado a x = (25/9) elevado a x+1?

Answer 1

Resposta:

Explicação passo-a-passo:

$(\frac{3}{5})^{x}=(\frac{25}{9})^{x+1}\\\\(\frac{3}{5})^x=[(\frac{3}{5})^{-2}]^{x+1}\\\\(\frac{3}{5})^x=(\frac{5}{3})^{-2x-2}\\\\x=-2x-2\\3x=-2\\x=\frac{-2}{3}$