question: Teacher asked me this: Solve 6697 = 787*p - 1936 - 7107 for p.
++++++++++
answer: 20

question: Teacher asked me this: Solve -1688*s - 1155 = -1523*s for s.
++++++++++
answer: -7

question: Teacher asked me this: Solve 548*z - 481*z + 871*z = -7504 for z.
++++++++++
answer: -8

question: Teacher asked me this: Solve 27*c = -29*c - 168 for c.
++++++++++
answer:
-3