QUESTION: Math problem: Solve -145619*f + 322 = -145596*f for f.
ANS: 14
QUESTION: Math problem: Solve 0 = 221*k + 197979 - 201515 for k.
ANS: 16
QUESTION: Math problem: Solve -8*s + 45*s + 148 = 0 for s.
ANS: -4
QUESTION: Math problem: Solve -3633 + 3568 = -13*j for j.
ANS:
5