question: Teacher asked me this: Solve 14*u - 42 = -14 for u.
++++++++++
answer: 2

question: Teacher asked me this: Solve -2703*b + 451 = -2662*b for b.
++++++++++
answer: 11

question: Teacher asked me this: Solve -4*a - 2784 = -2752 for a.
++++++++++
answer: -8

question: Teacher asked me this: Solve 1354*a - 1429*a + 930 + 184 = 139 for a.
++++++++++
answer:
13