question: Teacher asked me this: Solve -1055*c - 689*c = 8720 for c.
++++++++++
answer: -5

question: Teacher asked me this: Solve s + 0*s - 3 = 0 for s.
++++++++++
answer: 3

question: Teacher asked me this: Solve 9*m = -0*m for m.
++++++++++
answer: 0

question: Teacher asked me this: Solve 65*v - 150 = 38*v + 42*v for v.
++++++++++
answer:
-10