question: Teacher asked me this: Solve 6281 = 283*b + 4300 for b.
++++++++++
answer: 7

question: Teacher asked me this: Solve -23*k + 59*k = 144 for k.
++++++++++
answer: 4

question: Teacher asked me this: Solve 1153*w - 378 = -2684 for w.
++++++++++
answer: -2

question: Teacher asked me this: Solve 11*i + 63 = 30 for i.
++++++++++
answer:
-3