QUESTION: Math problem: Solve 137*w + 218*w = -35*w + 16770 for w.
ANS: 43
QUESTION: Math problem: Solve -7604*u - 2772 = -2975*u - 28726 - 20336 for u.
ANS: 10
QUESTION: Math problem: Solve 3871 = -15*u + 4096 for u.
ANS: 15
QUESTION: Math problem: Solve -98994*r - 65816 = -99860*r for r.
ANS:
76