What is the solution of the system? y = −3x 3x + 2y = 6 Responses (2, 6) (2, 6) - no response given (−1, 3) (−1, 3) - incorrect (−2, 6) (−2, 6) - not selected, this is the correct answer (1.5, −4.5) (1.5, −4.5) - no response given Score