question: Teacher asked me this: Solve 3887*d = 4116*d + 2061 for d.
++++++++++
answer: -9

question: Teacher asked me this: Solve s = 58 - 61 for s.
++++++++++
answer: -3

question: Teacher asked me this: Solve 6545*k + 7538*k + 1422383 = 0 for k.
++++++++++
answer: -101

question: Teacher asked me this: Solve -89*o + 44*o = -45 for o.
++++++++++
answer:
1