QUESTION: Math problem: Solve 4*r - 7*r = 9 for r.
ANS: -3
QUESTION: Math problem: Solve 0 = -7*q - 702 + 674 for q.
ANS: -4
QUESTION: Math problem: Solve 28*t - 34*t = -36 for t.
ANS: 6
QUESTION: Math problem: Solve -372*u - 1843 - 4181 = 1326 + 1950 for u.
ANS:
-25