question: Teacher asked me this: Solve 28 = -5*w - 2*w for w.
++++++++++
answer: -4

question: Teacher asked me this: Solve -177*s = -221*s + 132 for s.
++++++++++
answer: 3

question: Teacher asked me this: Solve 0 = -10*t - 447099 + 447089 for t.
++++++++++
answer: -1

question: Teacher asked me this: Solve -86 = -33*b + 282 + 28 for b.
++++++++++
answer:
12