question: Teacher asked me this: Solve 0 = 82*f - 105*f - 69 for f.
++++++++++
answer: -3

question: Teacher asked me this: Solve -79*j - 237 = -15*j + 211 for j.
++++++++++
answer: -7

question: Teacher asked me this: Solve 0 = 1210*n - 1212*n - 12 for n.
++++++++++
answer: -6

question: Teacher asked me this: Solve -14*t + 0*t = 14 for t.
++++++++++
answer:
-1