question: Teacher asked me this: Solve 209*j - 396*j - 392 = -215*j for j.
++++++++++
answer: 14

question: Teacher asked me this: Solve 0 = 51303*b - 51194*b - 2507 for b.
++++++++++
answer: 23

question: Teacher asked me this: Solve 11608 = 499*l - 8352 for l.
++++++++++
answer: 40

question: Teacher asked me this: Solve 209 = -29*y - 192 + 24 for y.
++++++++++
answer:
-13