question: Teacher asked me this: Solve -286 = -108*a + 320 + 150 for a.
++++++++++
answer: 7

question: Teacher asked me this: Solve 0 = -3226*l + 2815*l + 11919 for l.
++++++++++
answer: 29

question: Teacher asked me this: Solve 0 = -64*u + 194326 - 194838 for u.
++++++++++
answer: -8

question: Teacher asked me this: Solve -40 = -32*o + 22*o for o.
++++++++++
answer:
4