4w+6x+15y+4w+6x-7y
5w+6y+6x+6x-14y+4w
4x-3y+13w-5y-5w+8x
4w-3x-y+4w+15x-7y
How Many Of them are equal?
5w+6y+6x+6x-14y+4w
4x-3y+13w-5y-5w+8x
4w-3x-y+4w+15x-7y
How Many Of them are equal?