Question:
Solve 3*r = -5 - 4 for r..

Answer:
-3

Question:
Solve 422*z - 1101 + 4899 = 0 for z..

Answer:
-9

Question:
Solve 4*v - 17*v + 78 = 0 for v..

Answer:
6

Question:
Solve -1056*h = 790 + 1101 + 2333 for h..

Answer:
-4