question: Teacher asked me this: Solve -2621 = -161*c - 206 for c.
++++++++++
answer: 15

question: Teacher asked me this: Solve 667*d - 2540 = 794*d for d.
++++++++++
answer: -20

question: Teacher asked me this: Solve -6*q - 162 = 21*q for q.
++++++++++
answer: -6

question: Teacher asked me this: Solve 149*z - 902 - 7626 = -59*z for z.
++++++++++
answer:
41