Kathy G. answered 12/12/20
Excellent Math Tutor for JR/SR High and successful SAT/ACT Tutor
Before you do anything you can simplify this equation by dividing both sides by 4 to get
2x + y = -14
Now put it into y = mx + b form to get
y = -2x - 14
Then the slope = -2 and the y intercept = -14