question: Teacher asked me this: Solve 34 = i + 30 for i.
++++++++++
answer: 4

question: Teacher asked me this: Solve 16*m - 80 = 32*m for m.
++++++++++
answer: -5

question: Teacher asked me this: Solve -15 = -140*z + 68*z + 57*z for z.
++++++++++
answer: 1

question: Teacher asked me this: Solve -8821 = 587*m - 67521 for m.
++++++++++
answer:
100