question: Teacher asked me this: Solve 13*b = 19*b - 24 for b.
++++++++++
answer: 4

question: Teacher asked me this: Solve 29*j - 104 = 81*j for j.
++++++++++
answer: -2

question: Teacher asked me this: Solve 14*w = 78 - 8 for w.
++++++++++
answer: 5

question: Teacher asked me this: Solve -7*z - 12 = -z for z.
++++++++++
answer:
-2