QUESTION: Math problem: Solve 31*i - 15*i = -96 for i.
ANS: -6
QUESTION: Math problem: Solve -643*i + 66*i - 3158 = 14729 for i.
ANS: -31
QUESTION: Math problem: Solve -334*p + 374 = -294 for p.
ANS: 2
QUESTION: Math problem: Solve -7*f = -13*f for f.
ANS:
0