question: Teacher asked me this: Solve 22142*h - 22096*h - 1380 = 0 for h.
++++++++++
answer: 30

question: Teacher asked me this: Solve 289*f - 705*f - 58240 = 0 for f.
++++++++++
answer: -140

question: Teacher asked me this: Solve -23 = 6*f + 7 for f.
++++++++++
answer: -5

question: Teacher asked me this: Solve 5*q - 23 = -23 for q.
++++++++++
answer:
0