QUESTION: Math problem: Solve 4*v - 2*v + 12 = 0 for v.
ANS: -6
QUESTION: Math problem: Solve 253*v = 9691 - 5137 for v.
ANS: 18
QUESTION: Math problem: Solve -8*s - 148 + 68 = 0 for s.
ANS: -10
QUESTION: Math problem: Solve 1222*q - 1234*q = 39 - 195 for q.
ANS:
13