question: Teacher asked me this: Solve 0 = 2*t - 7*t + 15 for t.
++++++++++
answer: 3

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

question: Teacher asked me this: Solve 40*y - 9*y + 12*y = 301 for y.
++++++++++
answer: 7

question: Teacher asked me this: Solve 1474*p - 7240 = 1695*p - 831 for p.
++++++++++
answer:
-29