question: Teacher asked me this: Solve 1141*a = 1145*a for a.
++++++++++
answer: 0

question: Teacher asked me this: Solve -4508 = -623*d - 631*d + 127*d for d.
++++++++++
answer: 4

question: Teacher asked me this: Solve n = 2*n - 2 for n.
++++++++++
answer: 2

question: Teacher asked me this: Solve -44*u - 209 = -9*u - 559 for u.
++++++++++
answer:
10