question: Teacher asked me this: Solve 10589*a - 10606*a + 221 = 0 for a.
++++++++++
answer: 13

question: Teacher asked me this: Solve -22*i = -10*i - 96 for i.
++++++++++
answer: 8

question: Teacher asked me this: Solve -143*o - 59*o + 118 = -2508 for o.
++++++++++
answer: 13

question: Teacher asked me this: Solve 4098*z - 1393 = 2974 - 28955 for z.
++++++++++
answer:
-6