The answer is -5. Steps: 1. I multiplied the top equation by 2 and the bottom equation by 3 and then added them together. 2. 24x=72 is what you should have now. I divided each side by 24 to get x=3. 3. I plugged 3 in for x in one of the equations to get y=-8. 4. -8+3=-5.
