QUESTION: Math problem: Solve -238*r = 84*r - 130 - 376 - 138 for r.
ANS: 2
QUESTION: Math problem: Solve 0 = -9*x + 15*x - 12 for x.
ANS: 2
QUESTION: Math problem: Solve 156*u + 5252 + 4767 - 191 = 0 for u.
ANS: -63
QUESTION: Math problem: Solve 202 + 688 = -76*x - 326 for x.
ANS:
-16