question: Teacher asked me this: Solve -6409*h + 493028 = 50807 for h.
++++++++++
answer: 69

question: Teacher asked me this: Solve 2 = -9*z - 43 for z.
++++++++++
answer: -5

question: Teacher asked me this: Solve 0 = 48*z - 451 - 989 for z.
++++++++++
answer: 30

question: Teacher asked me this: Solve 0 = -58*r - 551 - 29 for r.
++++++++++
answer:
-10