question: Teacher asked me this: Solve 783*i - 779*i + 16 = 0 for i.
++++++++++
answer: -4

question: Teacher asked me this: Solve 460*i - 6140 = -2248 + 5768 for i.
++++++++++
answer: 21

question: Teacher asked me this: Solve -275*v - 1765 - 1012 = 248 for v.
++++++++++
answer: -11

question: Teacher asked me this: Solve -7116 - 7275 = -307*s - 5181 for s.
++++++++++
answer:
30