question: Teacher asked me this: Solve -7*n = -3*n + 12 for n.
++++++++++
answer: -3

question: Teacher asked me this: Solve 207 = 17*n + 377 for n.
++++++++++
answer: -10

question: Teacher asked me this: Solve 59*d + 1660462 = 1660934 for d.
++++++++++
answer: 8

question: Teacher asked me this: Solve -s + 9 - 6 = 0 for s.
++++++++++
answer:
3