question: Teacher asked me this: Solve -1280 = -599*k + 663*k for k.
++++++++++
answer: -20

question: Teacher asked me this: Solve 0 = -502*t - 90*t - 3312 - 6752 for t.
++++++++++
answer: -17

question: Teacher asked me this: Solve 4109 = 17*b + 4245 for b.
++++++++++
answer: -8

question: Teacher asked me this: Solve 0 = 2*w - 92 + 80 for w.
++++++++++
answer:
6