question: Teacher asked me this: Solve 0 = 7*l + 11 + 3 for l.
++++++++++
answer: -2

question: Teacher asked me this: Solve 525*t = 534*t - 128 + 38 for t.
++++++++++
answer: 10

question: Teacher asked me this: Solve 268*s - 77 + 2757 = 0 for s.
++++++++++
answer: -10

question: Teacher asked me this: Solve -945*b = -931*b - 42 for b.
++++++++++
answer:
3