question: Teacher asked me this: Solve -2*o = -5*o for o.
++++++++++
answer: 0

question: Teacher asked me this: Solve 0 = -35*k + 207052 - 207192 for k.
++++++++++
answer: -4

question: Teacher asked me this: Solve -26 = -34*w + 21*w for w.
++++++++++
answer: 2

question: Teacher asked me this: Solve -82*d = -9016 + 2374 for d.
++++++++++
answer:
81