question: Teacher asked me this: Solve 1240*w - 1172*w - 408 = 0 for w.
++++++++++
answer: 6

question: Teacher asked me this: Solve 223241 = -320*k + 214281 for k.
++++++++++
answer: -28

question: Teacher asked me this: Solve -5734 - 3847 = -53*b - 5023 for b.
++++++++++
answer: 86

question: Teacher asked me this: Solve 0 = -19*l + 172 + 189 for l.
++++++++++
answer:
19