question: Teacher asked me this: Solve 470*c - 10 = 465*c for c.
++++++++++
answer: 2

question: Teacher asked me this: Solve 4179*u - 4262*u = 4994 + 899 for u.
++++++++++
answer: -71

question: Teacher asked me this: Solve 34*u + 9 - 82 = -345 for u.
++++++++++
answer: -8

question: Teacher asked me this: Solve 71 = 31*w - 177 for w.
++++++++++
answer:
8