Question

$y-\frac{3}{4}=-\frac{9}{28}$
ayudaaaa!

Answer 1

Resolver.

$y - \dfrac{3}{4} =-\dfrac{9}{28} \\ \\ y = - \dfrac{9}{28} + \dfrac{3*7}{4*7} \\ \\ y = \dfrac{9}{28} - \dfrac{21}{28} \\ \\ y = \dfrac{9-21}{28} \\ \\ y =-\dfrac{12:4}{28:4} \\ \\ \boxed{y = - \frac{3}{7}}$