y=x+4 y=-2x-2 solve for x and y
set equal since both equal y anwwayx+4=y=-2x-2x+4=-2x-2add 2x both sides3x+4=-2minus 4 both sides3x=-6divide 3x=-2sub backy=x+4y=-2+4y=2x=-2y=2(x,y)(-2,2)
