question: Teacher asked me this: Solve 0 = 12*l - 66 + 18 for l.
++++++++++
answer: 4

question: Teacher asked me this: Solve -1073*f + 59630 = -2762*f + 15573 - 67417 for f.
++++++++++
answer: -66

question: Teacher asked me this: Solve 126*z + 667 + 467 = 0 for z.
++++++++++
answer: -9

question: Teacher asked me this: Solve -69*t + 31 = -38 for t.
++++++++++
answer:
1