Answer:
The correct answer is B
Step-by-step explanation:
In order to find this equation, use the slope of -1 and the point given in point-slope form. Then solve for standard form.
y - y1 = m(x - x1)
y - 1 = -1(x - 4)
y - 1 = -x + 4
x + y - 1 = 4
x + y = 5
