question: Teacher asked me this: Solve -1509*u - 264 = -1485*u for u.
++++++++++
answer: -11

question: Teacher asked me this: Solve 1101 + 199 = -52*y for y.
++++++++++
answer: -25

question: Teacher asked me this: Solve 559 - 1987 = -84*q for q.
++++++++++
answer: 17

question: Teacher asked me this: Solve 0 = 4*a - 216 + 220 for a.
++++++++++
answer:
-1