QUESTION: Math problem: Solve -28542 = 104*z - 16894 for z.
ANS: -112
QUESTION: Math problem: Solve 22*r + 6 = 3*r - 127 for r.
ANS: -7
QUESTION: Math problem: Solve -654*s = -604*s + 1800 for s.
ANS: -36
QUESTION: Math problem: Solve 0 = -4*c + 92 - 68 for c.
ANS:
6