QUESTION: Math problem: Solve -192*c + 13*c - 13728 = 553*c + 324*c for c.
ANS: -13
QUESTION: Math problem: Solve 0 = 89*d - 2244 - 1500 - 439 for d.
ANS: 47
QUESTION: Math problem: Solve 0 = 7*o + 1206 - 1248 for o.
ANS: 6
QUESTION: Math problem: Solve 0 = -97*z - 75*z + 1720 for z.
ANS:
10