Question 1044210
x - c = 0 ===> x = c ===> If c increases then x increases naturally.

cx = 1 ===> x = 1/c  ===> x decreases as c increases, since c > 0.

cx = c  ===> x = 1 since {{{c<>0}}}  ===> As c increases, x stays the same.

x/c = 1  => x = c, and we return to the first case above.