question: Teacher asked me this: Solve 2253493*u + 1998 = 2253439*u for u.
++++++++++
answer: -37

question: Teacher asked me this: Solve 183*v + 646 - 785 = -505 for v.
++++++++++
answer: -2

question: Teacher asked me this: Solve 4292*t = 4372*t - 6160 for t.
++++++++++
answer: 77

question: Teacher asked me this: Solve -354*a - 7423 + 20521 = 0 for a.
++++++++++
answer:
37