question: Teacher asked me this: Solve 17*f - 9 = -43 for f.
++++++++++
answer: -2

question: Teacher asked me this: Solve -4*w - 9*w - 13 = 0 for w.
++++++++++
answer: -1

question: Teacher asked me this: Solve -11*b - 50 = 75 + 40 for b.
++++++++++
answer: -15

question: Teacher asked me this: Solve -348*n = -385*n + 370 for n.
++++++++++
answer:
10