question: Teacher asked me this: Solve -102*c = -100*c - 4 for c.
++++++++++
answer: 2

question: Teacher asked me this: Solve -38*p + 495 = 37*p - 20*p for p.
++++++++++
answer: 9

question: Teacher asked me this: Solve -198*z + 49*z + 9218 = 312*z - 42*z for z.
++++++++++
answer: 22

question: Teacher asked me this: Solve 5*k - 8 = 3*k for k.
++++++++++
answer:
4