question: Teacher asked me this: Solve -776*r = 51806 + 17258 for r.
++++++++++
answer: -89

question: Teacher asked me this: Solve 2524*s + 4156 = -8464 for s.
++++++++++
answer: -5

question: Teacher asked me this: Solve 2251*o = 2204*o - 658 for o.
++++++++++
answer: -14

question: Teacher asked me this: Solve 1559*f - 102318 = -14509 + 52501 for f.
++++++++++
answer:
90