QUESTION: Math problem: Solve -6*u = -21 - 15 for u.
ANS: 6
QUESTION: Math problem: Solve -18*z + 44*z = 14*z + 192 for z.
ANS: 16
QUESTION: Math problem: Solve 14*k - 772 + 46 - 792 = -8*k for k.
ANS: 69
QUESTION: Math problem: Solve -14*t = 128*t - 710 for t.
ANS:
5