QUESTION: Math problem: Solve -18318*z = -1370*z + 3854*z + 1809774 for z.
ANS: -87
QUESTION: Math problem: Solve 0 = s + 2 - 3 for s.
ANS: 1
QUESTION: Math problem: Solve 751*h - 46481 + 38971 = 0 for h.
ANS: 10
QUESTION: Math problem: Solve 29 - 77 - 78 = -18*r for r.
ANS:
7