question: Teacher asked me this: Solve 4 + 3 = -7*q for q.
++++++++++
answer: -1

question: Teacher asked me this: Solve 1387*z - 658803 = -585292 for z.
++++++++++
answer: 53

question: Teacher asked me this: Solve 7*w = 14*w + 28 for w.
++++++++++
answer: -4

question: Teacher asked me this: Solve 30*k + 881 = 251 for k.
++++++++++
answer:
-21