question: Teacher asked me this: Solve -21*w - 4 = -19*w for w.
++++++++++
answer: -2

question: Teacher asked me this: Solve -96242 = -132*v - 97034 for v.
++++++++++
answer: -6

question: Teacher asked me this: Solve 0 = -52*q - 189 - 123 for q.
++++++++++
answer: -6

question: Teacher asked me this: Solve 0*s = 21*s + 84 for s.
++++++++++
answer:
-4