math_celebrity Administrator Staff member Sep 15, 2016 #1 A number means we pick an arbitrary variable, let's call it "x". Half a number is 1/2x. 2 less than that is 1/2x - 2
A number means we pick an arbitrary variable, let's call it "x". Half a number is 1/2x. 2 less than that is 1/2x - 2