question: Teacher asked me this: Solve 4*m + 40 = -6*m for m.
++++++++++
answer: -4

question: Teacher asked me this: Solve 0 = -7*b - 56 + 42 for b.
++++++++++
answer: -2

question: Teacher asked me this: Solve 796*b - 9842 = 278*b for b.
++++++++++
answer: 19

question: Teacher asked me this: Solve 0 = 2194*f - 9552 - 8922 + 5310 for f.
++++++++++
answer:
6