question: Teacher asked me this: Solve 17*i + 10 = 7*i for i.
++++++++++
answer: -1

question: Teacher asked me this: Solve 221*v + 81*v = -3322 for v.
++++++++++
answer: -11

question: Teacher asked me this: Solve -1163*j - 21960 + 69468 = 558*j - 57473 for j.
++++++++++
answer: 61

question: Teacher asked me this: Solve -17120 = 1243*b - 6410*b + 11205 - 2490 for b.
++++++++++
answer:
5