question: Teacher asked me this: Solve 11*x - 16*x = -33*x for x.
++++++++++
answer: 0

question: Teacher asked me this: Solve 428*y + 168 = 449*y for y.
++++++++++
answer: 8

question: Teacher asked me this: Solve 2*s + 100*s = -26*s + 1664 for s.
++++++++++
answer: 13

question: Teacher asked me this: Solve -67*b = -513*b + 468 + 1680 + 3204 for b.
++++++++++
answer:
12