QUESTION: Math problem: Solve -13 + 1 = -4*x for x.
ANS: 3
QUESTION: Math problem: Solve 32 = -7*l - 3 for l.
ANS: -5
QUESTION: Math problem: Solve 0 = 111*y - 71*y - 120 for y.
ANS: 3
QUESTION: Math problem: Solve 125*f = -669 + 10 - 341 for f.
ANS:
-8