QUESTION: Math problem: Solve -123171*z = -123080*z + 455 for z.
ANS: -5
QUESTION: Math problem: Solve 25*o - 676*o + 5166 = -693 for o.
ANS: 9
QUESTION: Math problem: Solve 15229 - 16195 = 23*u for u.
ANS: -42
QUESTION: Math problem: Solve 77*m = -407*m - 10648 for m.
ANS:
-22