Question

se x= -2/3 e x elevado 3 vezes y=1 qual e o valor de y?

Answer 1

$x=\frac{-2}{3}\\x^3y=1\\\\(\frac{-2}{3})^3y=1\\\\\frac{-8}{27}y=1\\\\\\\boxed{y=\frac{-27}{8}}$