question: Teacher asked me this: Solve 7*v = 2*v - 15 for v.
++++++++++
answer: -3

question: Teacher asked me this: Solve 0 = 404*u - 5232 - 424 for u.
++++++++++
answer: 14

question: Teacher asked me this: Solve -275*m + 6419 = -5406 for m.
++++++++++
answer: 43

question: Teacher asked me this: Solve 9*u = 2 + 7 for u.
++++++++++
answer:
1