$8x+y=-16$

$-3x+y=-5$

First, I will multiply the equation by to create an opposite pair.

$7.$

$-4x+9y=9$

$x-3y=-6$

First, I will multiply the equation by to create an opposite pair.

$8.$

$8x+14y=4$

$-6x-7y=-10$

First, I will multiply the equation by to create an opposite pair.