Et f(x) = x + |2x − 3|. find all solutions to the equation f(x) = 12. (enter your answers as a comma-separated list. if an answer does not exist, enter dne.) x = $$5,−9 (b) let g(x) = 5x − 3 + |x + 4|. find all values of a which satisfy the equation g(a) = 4a + 9. (enter your answers as a comma-separated list. if an answer does not exist, enter dne.) a = $$4 (c) let h(x) = |x| − 2x + 5. find all solutions to the equation h(x − 1) = x − 3. (enter your answers as a comma-separated list. if an answer does not exist, enter dne.) x = $$ 9 2