question: Teacher asked me this: Solve 168 = 6692*q - 6650*q for q.
++++++++++
answer: 4

question: Teacher asked me this: Solve 40*o - 32*o + 56 = 0 for o.
++++++++++
answer: -7

question: Teacher asked me this: Solve 158*s - 151*s - 28 = 0 for s.
++++++++++
answer: 4

question: Teacher asked me this: Solve -164*p + 645*p = -2405 for p.
++++++++++
answer:
-5