QUESTION: Math problem: Solve 7 = -7*y + 21 for y.
ANS: 2
QUESTION: Math problem: Solve 6*u + 6 = -0 for u.
ANS: -1
QUESTION: Math problem: Solve 31*d = 20*d + 165 for d.
ANS: 15
QUESTION: Math problem: Solve 1179488 - 1182103 = -361*q - 162*q for q.
ANS:
5