We have

2y = -x +1

x - 1 = 2y ...............(i)

Putting y = 0 we get x = 1 -2 x 0 = 1

Putting y = -1 we get x = 1 - 2(-1) = 3

Thus, we have the following table giving the two points on the line represented by the equation

2y = x + 3

2y = -x +1

Graph for the equation 2y = -x +1