question: Teacher asked me this: Solve 91*z - 62*z - 261 = 0 for z.
++++++++++
answer: 9

question: Teacher asked me this: Solve -4969 = 1729*k + 29628 - 200581 for k.
++++++++++
answer: 96

question: Teacher asked me this: Solve 853*h - 86346 = -2468*h for h.
++++++++++
answer: 26

question: Teacher asked me this: Solve -9*r + 176 = 59 for r.
++++++++++
answer:
13