question: Teacher asked me this: Solve -108*b - 357*b = -83*b + 21774 for b.
++++++++++
answer: -57

question: Teacher asked me this: Solve 383*r = 81*r for r.
++++++++++
answer: 0

question: Teacher asked me this: Solve -388*y = -209*y + 341*y + 15080 for y.
++++++++++
answer: -29

question: Teacher asked me this: Solve 3073*f = 3306*f - 4427 for f.
++++++++++
answer:
19