question: Teacher asked me this: Solve 7 = 6*l + 36 + 43 for l.
++++++++++
answer: -12

question: Teacher asked me this: Solve -741 = -115*o - 132*o for o.
++++++++++
answer: 3

question: Teacher asked me this: Solve 1503*n = 449 + 338 + 716 for n.
++++++++++
answer: 1

question: Teacher asked me this: Solve 4 = -19*s + 42 for s.
++++++++++
answer:
2