QUESTION: Math problem: Solve 12*z = 2*z - 0*z for z.
ANS: 0
QUESTION: Math problem: Solve 3358*f + 25174 + 16357 = -22271 for f.
ANS: -19
QUESTION: Math problem: Solve 2*d = 12*d - 50 for d.
ANS: 5
QUESTION: Math problem: Solve 253*f - 12 = 256*f for f.
ANS:
-4