QUESTION: Math problem: Solve 31726 = 7*u + 31922 for u.
ANS: -28
QUESTION: Math problem: Solve -5*i = -21841 + 21806 for i.
ANS: 7
QUESTION: Math problem: Solve -901 = 255*r + 1394 for r.
ANS: -9
QUESTION: Math problem: Solve -165*h = -130*h + 35 for h.
ANS:
-1