question: Teacher asked me this: Solve -38315 - 77066 = -4867*r - 6288 - 2019 for r.
++++++++++
answer: 22

question: Teacher asked me this: Solve 36605 - 1748300 = -10796*s - 167867 for s.
++++++++++
answer: 143

question: Teacher asked me this: Solve -66*c - 47 = 474 + 1261 for c.
++++++++++
answer: -27

question: Teacher asked me this: Solve 169*k = 1458 + 3612 for k.
++++++++++
answer:
30