Hi, y = -5x – 6 and y = -x + 6 then *** -5x-6 = -x + 6 |Adding 5x and -6 to both sides of the EQ -12 = 4x -3 = x CHECKING our answer*** Using -5x-6 = -x + 6 15 - 6 = 3 + 6 = 9