question: Teacher asked me this: Solve 840 = 25463*i - 25295*i for i.
++++++++++
answer: 5

question: Teacher asked me this: Solve 5*z - 19 - 6 = 0 for z.
++++++++++
answer: 5

question: Teacher asked me this: Solve -41*z + 16 = 57 + 328 for z.
++++++++++
answer: -9

question: Teacher asked me this: Solve -436*n + 48960 = -1394*n - 1922*n for n.
++++++++++
answer:
-17