Question 572875
{y=2x+2}
y=-x-1

we can multiply the second equation by two to get:
2y=-2x-2
if we add this to 
y=2x+2
we get:
3y=0
y=0
sub in 0 for y and we get:
x=-1

we can also solve by graphing since both are in slope intercept form
{{{ graph( 600, 600, -10, 10, -10, 10, 2x+2, -x-1) }}}