Answer:
y = -1/2x+7
Explanation:
We have a slope of -1/2 and a point of (4,5)
Using the slope intercept form of a line
y = mx+b
y = -1/2 x +b
Substituting the point into the equation
5 = -1/2(4) +b
5 = -2+b
Add 2 to each side
5+2 = -2+2+b
7 = b
The equation of the line is
y = -1/2x+7