question: Teacher asked me this: Solve 263*t - 261*t = 12 for t.
++++++++++
answer: 6

question: Teacher asked me this: Solve 0 = 9*f + 14368 - 14287 for f.
++++++++++
answer: -9

question: Teacher asked me this: Solve -196*l - 2 = -195*l for l.
++++++++++
answer: -2

question: Teacher asked me this: Solve 21*o - 75*o - 85*o = -9452 for o.
++++++++++
answer:
68