QUESTION: Math problem: Solve -a + 13 = 8 for a.
ANS: 5
QUESTION: Math problem: Solve 86*l - 74*l - 132 = 0 for l.
ANS: 11
QUESTION: Math problem: Solve -168*c = -3099 - 597 for c.
ANS: 22
QUESTION: Math problem: Solve -4*p = -21 + 1 for p.
ANS:
5