QUESTION: Math problem: Solve -141*a + 92*a = 0 for a.
ANS: 0
QUESTION: Math problem: Solve 5625*u - 8317 - 94303 + 2380 = 613*u for u.
ANS: 20
QUESTION: Math problem: Solve -118*z - 370271859 + 370256047 = 0 for z.
ANS: -134
QUESTION: Math problem: Solve 962 - 1041 = 83*r + 502 for r.
ANS:
-7