QUESTION: Math problem: Solve -7521 - 5331 = -357*a for a.
ANS: 36
QUESTION: Math problem: Solve -73*l - 3942 = -20*l + 93*l for l.
ANS: -27
QUESTION: Math problem: Solve 198 = -43*l - 232 for l.
ANS: -10
QUESTION: Math problem: Solve -14*u + 35 = -21 for u.
ANS:
4