question: Teacher asked me this: Solve -10409 = 167*a + 58*a + 6916 for a.
++++++++++
answer: -77

question: Teacher asked me this: Solve -129*v = -108*v + 668*v + 53053 for v.
++++++++++
answer: -77

question: Teacher asked me this: Solve 0 = 1152*c + 568*c - 9217 + 47057 for c.
++++++++++
answer: -22

question: Teacher asked me this: Solve 0 = -4*a - 9 + 25 for a.
++++++++++
answer:
4