QUESTION: Math problem: Solve 0 = -7*z + z for z.
ANS: 0
QUESTION: Math problem: Solve 68*x = -2679 + 6204 - 1417 for x.
ANS: 31
QUESTION: Math problem: Solve -12 = -43*f + 418 for f.
ANS: 10
QUESTION: Math problem: Solve b + 98 + 1566 = 105*b for b.
ANS:
16