question: Teacher asked me this: Solve 89 = 233*m - 207*m - 15 for m.
++++++++++
answer: 4

question: Teacher asked me this: Solve -14*n = -13*n + 2 for n.
++++++++++
answer: -2

question: Teacher asked me this: Solve 44534 - 638538 = -956*c - 7004*c - 84564 for c.
++++++++++
answer: 64

question: Teacher asked me this: Solve -114 = -5*r - 129 for r.
++++++++++
answer:
-3