question: Teacher asked me this: Solve 3556 = -283*i + 537*i for i.
++++++++++
answer: 14

question: Teacher asked me this: Solve 1000 = 86*k + 164*k for k.
++++++++++
answer: 4

question: Teacher asked me this: Solve 27*a = 22*a + 5 for a.
++++++++++
answer: 1

question: Teacher asked me this: Solve -w + 0*w + 1 = 0 for w.
++++++++++
answer:
1