context: ###List of Questions
  (1) In base 14, what is -59c - 3?
  (2) What is 5/8 of a litre in millilitres?
  (3) Calculate prob of picking 2 w, 1 x, and 1 f when four letters picked without replacement from xzwwbzwgfzgwwwz.
  (4) Let u = 79/5 + -87/5. Suppose -6*c - 128 = -2*c - 2*y, -12 = -3*y. What is the common denominator of u and 6/2 + (-252)/c?
  (5) Suppose b + 2*b = 0. Suppose -4*v + 1 = -11. Solve b = -n + v - 2 for n.
q_1: (1) In base 14, what is -59c - 3?
q_2: (2) What is 5/8 of a litre in millilitres?
q_3: (3) Calculate prob of picking 2 w, 1 x, and 1 f when four letters picked without replacement from xzwwbzwgfzgwwwz.
q_4: (4) Let u = 79/5 + -87/5. Suppose -6*c - 128 = -2*c - 2*y, -12 = -3*y. What is the common denominator of u and 6/2 + (-252)/c?
q_5: (5) Suppose b + 2*b = 0. Suppose -4*v + 1 = -11. Solve b = -n + v - 2 for n.