QUESTION: Math problem: Solve -12817*z = -12823*z - 6 for z.
ANS: -1
QUESTION: Math problem: Solve 106*r = 211 + 425 for r.
ANS: 6
QUESTION: Math problem: Solve 970 - 1216 = 123*w for w.
ANS: -2
QUESTION: Math problem: Solve f - 9633 = -47*f - 113*f - 1261 for f.
ANS:
52