question: Teacher asked me this: Solve 0 = -4*t + 2*t + 6 for t.
++++++++++
answer: 3

question: Teacher asked me this: Solve 69*v - 1023 = 22*v - 46*v for v.
++++++++++
answer: 11

question: Teacher asked me this: Solve 0 = -258*b + 268*b + 60 for b.
++++++++++
answer: -6

question: Teacher asked me this: Solve -80 = -209*n + 193*n for n.
++++++++++
answer:
5