QUESTION: Math problem: Solve 97*v = 101*v + 21 + 239 for v.
ANS: -65
QUESTION: Math problem: Solve 9*w + 16 = -29 for w.
ANS: -5
QUESTION: Math problem: Solve 0 = 12*d - 309 + 309 for d.
ANS: 0
QUESTION: Math problem: Solve 16*x + 144 = 48 for x.
ANS:
-6