question: Teacher asked me this: Solve -509*z + 11088 = 1417 for z.
++++++++++
answer: 19

question: Teacher asked me this: Solve -41*f = -38*f - 3 for f.
++++++++++
answer: 1

question: Teacher asked me this: Solve -520 = 991*c - 1037*c + 354 for c.
++++++++++
answer: 19

question: Teacher asked me this: Solve 0 = 223*k - 14795879 + 14770903 for k.
++++++++++
answer:
112