We have
2x + y = 6
y = 6 -2x .........(i)
Putting x = 3 in (i) we get y = 6 - 2 x 3 = 0
Putting x = 0 in (i) we get y = 6 - 2 x 0 = 6
Thus, we obtained the following table giving coordinates of two points on the line represented by the equation 2x +y = 6