question: Teacher asked me this: Solve -2373*q + 4277*q + 2657 = 2216*q - 6079 for q.
++++++++++
answer: 28

question: Teacher asked me this: Solve 68*b = -2*b for b.
++++++++++
answer: 0

question: Teacher asked me this: Solve 86 = 21*b - 40 for b.
++++++++++
answer: 6

question: Teacher asked me this: Solve -745*k + 270 = -727*k for k.
++++++++++
answer:
15