question: Teacher asked me this: Solve -1162 = -23*s - 1415 for s.
++++++++++
answer: -11

question: Teacher asked me this: Solve 0 = -30*k - 22*k - 364 for k.
++++++++++
answer: -7

question: Teacher asked me this: Solve -1157*r = -360*r + 13549 for r.
++++++++++
answer: -17

question: Teacher asked me this: Solve 120*c + 11*c - 15*c = -275*c + 12903 for c.
++++++++++
answer:
33