QUESTION: Math problem: Solve -3*w - 60 = 4*w - 13*w - 12 for w.
ANS: 8
QUESTION: Math problem: Solve 76*i + 154*i = -30*i + 9880 for i.
ANS: 38
QUESTION: Math problem: Solve -7652*r - 9308 = 7489*r - 14962*r for r.
ANS: -52
QUESTION: Math problem: Solve -12359 = 948*i - 221*i for i.
ANS:
-17