question: Teacher asked me this: Solve 0 = -10*n + 27 + 53 for n.
++++++++++
answer: 8

question: Teacher asked me this: Solve -35*b = -47*b - 24 for b.
++++++++++
answer: -2

question: Teacher asked me this: Solve 0 = 10*n - 17*n + 42 for n.
++++++++++
answer: 6

question: Teacher asked me this: Solve 84*k = 1284 + 2664 for k.
++++++++++
answer:
47