question: Teacher asked me this: Solve -35689*s = -35618*s - 2485 for s.
++++++++++
answer: 35

question: Teacher asked me this: Solve 0 = -1325*d + 4035*d - 37940 for d.
++++++++++
answer: 14

question: Teacher asked me this: Solve -2*o - 19*o - 160 = -34 for o.
++++++++++
answer: -6

question: Teacher asked me this: Solve 153*k - 6195 = -381 for k.
++++++++++
answer:
38