3 1/2x - 5 1/3x, x=2/5
So I assume you want to evaluate this expression when x = 2/5 ???
So we have
(3 + 1/2)(2/5) - (5 + 1/3)(2/5)
(7/2)(2/5) - (16/3)(2/5) =
14/10 - 32/15 =
7/5 - 32/15 =
21/15 - 32/15 =
-11/15
