question: Teacher asked me this: Solve 7*f + 5*f = 2*f + 7*f for f.
++++++++++
answer: 0
Solve -18049 = 658*a - 12127 for a.
Solve this plz.

A: -9
QUESTION: Math problem: Solve 173*t + 4 = 174*t for t.
ANS: 4
Q: What is the solution?
Solve 16*g + 998 = 1090 + 1284 for g.

A: 86
Write down the solution for this math problem: Solve -1517*p - 440 = -1539*p for p.
answer: 20
QUESTION: Math problem: Solve 215 - 464 + 235 = 14*a for a.
ANS:
-1