question: Teacher asked me this: Solve -76*c + 465 = 38*c - 105 for c.
++++++++++
answer: 5

question: Teacher asked me this: Solve 24111*s = 26073*s + 133416 for s.
++++++++++
answer: -68

question: Teacher asked me this: Solve 0 = -7*c - 2*c - 81 for c.
++++++++++
answer: -9

question: Teacher asked me this: Solve 0*w = 2*w for w.
++++++++++
answer:
0