question: Teacher asked me this: Solve 1543*q = -6457 + 69720 for q.
++++++++++
answer: 41

question: Teacher asked me this: Solve 26 = 5*z + 1 for z.
++++++++++
answer: 5

question: Teacher asked me this: Solve 101 = -8*u + 115 - 142 for u.
++++++++++
answer: -16

question: Teacher asked me this: Solve 10 = -23*z + 17 + 16 for z.
++++++++++
answer:
1