QUESTION: Math problem: Solve 87*u - 686 = 582 - 369 + 580 for u.
ANS: 17
QUESTION: Math problem: Solve -756*x - 2431 - 2861 = 0 for x.
ANS: -7
QUESTION: Math problem: Solve 63*y + 1001 = -335 + 76 for y.
ANS: -20
QUESTION: Math problem: Solve -23*h + 72 - 72 = 0 for h.
ANS:
0