question: Teacher asked me this: Solve 123*n - 162*n = 418*n - 15081 for n.
++++++++++
answer: 33

question: Teacher asked me this: Solve 564*a - 44765 - 17275 = 0 for a.
++++++++++
answer: 110

question: Teacher asked me this: Solve -r + 8*r = -14 for r.
++++++++++
answer: -2

question: Teacher asked me this: Solve -12*d = -3*d + 2223 - 2304 for d.
++++++++++
answer:
9