QUESTION: Math problem: Solve 235*r = 4882 - 11697 for r.
ANS: -29
QUESTION: Math problem: Solve -323*k = -2651408 + 2613294 for k.
ANS: 118
QUESTION: Math problem: Solve 67*d + 189*d + 8241 = 133*d for d.
ANS: -67
QUESTION: Math problem: Solve -4307 = 617*u - 224*u + 1981 for u.
ANS:
-16