QUESTION: Math problem: Solve -201*l + 3223 = 231*l - 139*l for l.
ANS: 11
QUESTION: Math problem: Solve -72 = -1267*f + 33344 + 13463 for f.
ANS: 37
QUESTION: Math problem: Solve 181465*z - 180615*z = 89250 for z.
ANS: 105
QUESTION: Math problem: Solve -6*s + 4*s - 18 - 22 = 0 for s.
ANS:
-20