question: Teacher asked me this: Solve 0 = 13*f - 37*f + 96 for f.
++++++++++
answer: 4

question: Teacher asked me this: Solve -11*i = -5*i + 24 for i.
++++++++++
answer: -4

question: Teacher asked me this: Solve -13*o = 144*o + 3611 for o.
++++++++++
answer: -23

question: Teacher asked me this: Solve 23*s - 195 = -149 + 230 for s.
++++++++++
answer:
12