question: Teacher asked me this: Solve 570*f + 573*f - 1148*f = 55 for f.
++++++++++
answer: -11

question: Teacher asked me this: Solve -15994*f - 8911*f + 3865740 = 9005*f for f.
++++++++++
answer: 114

question: Teacher asked me this: Solve -35*b - 149 = -219 for b.
++++++++++
answer: 2

question: Teacher asked me this: Solve 3028*k - 27194 + 93810 = 0 for k.
++++++++++
answer:
-22