Answer:
1. (-3, 4) 2. (5/2, 15/2) 3. (9/5, -36/5) 4. (-2, 1)
Explanation:
ps I would recommend using the app called Photomath. You can scan the problem and it gives a step by step explanation on how to do it and shows you different methods to solve for it. The app is free and its super great! Hope this helps!