question: Teacher asked me this: Solve -11*d - 12 = -17*d for d.
++++++++++
answer: 2

question: Teacher asked me this: Solve 0 = -45*b + 40 + 5 for b.
++++++++++
answer: 1

question: Teacher asked me this: Solve -3213*c - 574093 - 591456 = 11924*c for c.
++++++++++
answer: -77

question: Teacher asked me this: Solve 14728*c - 14740*c = 264 for c.
++++++++++
answer:
-22