QUESTION: Math problem: Solve 789*a + 608*a + 26922 = 115*a for a.
ANS: -21
QUESTION: Math problem: Solve -225 = 152*r - 197*r for r.
ANS: 5
QUESTION: Math problem: Solve 7*k + 57*k = -23*k - 2436 for k.
ANS: -28
QUESTION: Math problem: Solve -1316 + 814 = 127*n + 895 for n.
ANS:
-11