# How do you solve for y in 2x-y=6 and x+y=-3?

Apr 26, 2015

$2 x - y = 6$
$x + y = - 3$

We can add the equations to eliminate $y$ on the left hand side

$3 x = 3$

$\to x = 1$

-> y = -3 - x = -3 - 1 = color(green)(-4