Question

Como resolver?

$\frac{2}{y} +\frac{9}{2y} =\frac{-13}{4}$

Answer 1

$\frac{2}{y} + \frac{9}{2y} = \frac{ - 13}{4}$

O denominador comum será igual a 4y.

$\frac{8}{4y} + \frac{18}{4y} = - \frac{ 13y}{4y} \\ \\ 8 + 18 = - 13y \\ \\ 26 = - 13y \\ \\ y = \frac{26}{ - 13} \\ \\ y = - 2$