question: Teacher asked me this: Solve -503*b + 10963 = 903 for b.
++++++++++
answer: 20

question: Teacher asked me this: Solve 58*s + 82*s = 0 for s.
++++++++++
answer: 0

question: Teacher asked me this: Solve -13*m + 100 - 30 = -86 for m.
++++++++++
answer: 12

question: Teacher asked me this: Solve 0 = 4*y + 20 for y.
++++++++++
answer:
-5