QUESTION: Math problem: Solve -18*a = -43 - 47 for a.
ANS: 5
QUESTION: Math problem: Solve -15958*v = -15868*v + 3690 for v.
ANS: -41
QUESTION: Math problem: Solve -37*f + 107*f - 18*f = -183*f - 940 for f.
ANS: -4
QUESTION: Math problem: Solve -9*s - 231 = -321 for s.
ANS:
10