question: Teacher asked me this: Solve 27 = 30*h - 21*h for h.
++++++++++
answer: 3

question: Teacher asked me this: Solve 0 = 2322122*h - 2322082*h + 1560 for h.
++++++++++
answer: -39

question: Teacher asked me this: Solve -47*v + 1 - 193 = -23*v for v.
++++++++++
answer: -8

question: Teacher asked me this: Solve 407*o = -49 + 6756 - 1416 for o.
++++++++++
answer:
13