question: Teacher asked me this: Solve 18677*a = 18668*a - 279 for a.
++++++++++
answer: -31

question: Teacher asked me this: Solve 254*a + 1158 + 2906 = 0 for a.
++++++++++
answer: -16

question: Teacher asked me this: Solve 690*m - 14731 = -3691 for m.
++++++++++
answer: 16

question: Teacher asked me this: Solve -55*t + 71*t + 128 = 0 for t.
++++++++++
answer:
-8