QUESTION: Math problem: Solve -216*u - 965 = 543 + 4 for u.
ANS: -7
QUESTION: Math problem: Solve 0 = 646*y + 25*y + 214*y - 4425 for y.
ANS: 5
QUESTION: Math problem: Solve -856*w + 1002*w - 58828 = 2247*w for w.
ANS: -28
QUESTION: Math problem: Solve 20*y + 61 = 61 for y.
ANS:
0