question: Teacher asked me this: Solve 20 = j + 24 for j.
++++++++++
answer: -4

question: Teacher asked me this: Solve 0 = -198*i + 211*i - 65 for i.
++++++++++
answer: 5

question: Teacher asked me this: Solve -2157*c + 3976*c = 30923 for c.
++++++++++
answer: 17

question: Teacher asked me this: Solve -49*o + 43*o = 64*o + 86*o + 10920 for o.
++++++++++
answer:
-70