question: Teacher asked me this: Solve i = 8*i - 5*i for i.
++++++++++
answer: 0

question: Teacher asked me this: Solve -4*n - 337 = -25*n - 475 - 513 for n.
++++++++++
answer: -31

question: Teacher asked me this: Solve 6*v + 72 - 9 = 13*v for v.
++++++++++
answer: 9

question: Teacher asked me this: Solve 877 - 793 = 14*j for j.
++++++++++
answer:
6