QUESTION: Math problem: Solve -156*a + 24 = -150*a for a.
ANS: 4
QUESTION: Math problem: Solve 10*q + 7*q = -68 for q.
ANS: -4
QUESTION: Math problem: Solve 0 = -19*r - 32 - 6 for r.
ANS: -2
QUESTION: Math problem: Solve -185*d + 8702 - 23421 = 174*d for d.
ANS:
-41