Answer:
The answer would be y = -1/2 x + 3
Explanation:
So to solve this problem we have to look at the graph.
We have to put it into y = mx + b.
The B would be where the line crosses the y - intercept.
The mx would be how fast is the line going up/down.
If it is going down, it would be negative.
If it is going up, it would be positive.
I hope I helped.