question: Teacher asked me this: Solve -522*z = -500*z - 132 for z.
++++++++++
answer: 6

question: Teacher asked me this: Solve 0 = 4*v - 3 - 9 for v.
++++++++++
answer: 3

question: Teacher asked me this: Solve -860*y + 913*y - 1007 = 0 for y.
++++++++++
answer: 19

question: Teacher asked me this: Solve -13*a = 4827 - 4983 for a.
++++++++++
answer:
12