question: Teacher asked me this: Solve 43*s = 34*s + 9 for s.
++++++++++
answer: 1

question: Teacher asked me this: Solve 1336 = 299*d - 504*d - 1176 - 3638 for d.
++++++++++
answer: -30

question: Teacher asked me this: Solve 17889 = 4296*r - 196911 for r.
++++++++++
answer: 50

question: Teacher asked me this: Solve 244*r + 4294 + 5904 = 3854 for r.
++++++++++
answer:
-26