How do you solve the system of linear equations: 2x+3y=-5 and y=2x+9?

Jun 21, 2018

$x = - 4 , y = 1$

Explanation:

Plygging the second in the first equation we get

$2 x + 3 \left(2 x + 9\right) = - 5$
so

$x = - 4$

so

$y = 1$