Question goes like this : in each case below , find four points on the line and sketch the line I understand when x + y = 5 but when there is a minus e.g. x - y = 2 I don't understand as I do this. Guess the x value. 1 - y = 2 then I - y = 2 -1 and then I get lost please help as my book isn't really covering it well

SCheevers— 08/11/16