Keyciii11go Keyciii11go Math Answered solve the following systems by graphing.2.) 6x - 3y = -9 and 2x + 2y = -6solve the following systems by substitution4.) 2x - 6y = -24 and x = 5y - 22solve the following system by elimination6.) x - y = 11 and 2x + y = 19