# How do you solve the following linear system:  3x – 9y = 0, x + 2y = -4 ?

Jun 21, 2018

$y = - \frac{4}{5}$

#### Explanation:

Dividing the first equation by $3$ we get

$x = 3 y$
plugging this in the second equation we get
$5 y = - 4$
so

$y = - \frac{4}{5}$
and

$x = - \frac{12}{5}$