QUESTION: Math problem: Solve -17*r - 273 = 22*r for r.
ANS: -7
QUESTION: Math problem: Solve 0 = 351*a - 4431 + 12153 for a.
ANS: -22
QUESTION: Math problem: Solve -1345 = 824*r - 932*r + 2394 + 1445 for r.
ANS: 48
QUESTION: Math problem: Solve 259*z + 388 + 414 = -4896 for z.
ANS:
-22