QUESTION: Math problem: Solve -572 - 736 = -143*a + 34*a for a.
ANS: 12
QUESTION: Math problem: Solve -1035 - 1427 = -103*y + 2173 for y.
ANS: 45
QUESTION: Math problem: Solve -u = -13 + 10 for u.
ANS: 3
QUESTION: Math problem: Solve -148*r + 2521 + 2511 = 0 for r.
ANS:
34