QUESTION: Math problem: Solve 17*y + 155 = 121 for y.
ANS: -2
QUESTION: Math problem: Solve 2810*c - 2902*c - 1840 = 0 for c.
ANS: -20
QUESTION: Math problem: Solve 9*d + 52 = 97 for d.
ANS: 5
QUESTION: Math problem: Solve 85 = 33*a - 212 for a.
ANS:
9