QUESTION: Math problem: Solve 4272*h - 20010 = 31254 for h.
ANS: 12
QUESTION: Math problem: Solve -191411 = -161*r + 8599*r - 60517 + 130684 for r.
ANS: -31
QUESTION: Math problem: Solve -45*n - 24*n = -552 for n.
ANS: 8
QUESTION: Math problem: Solve -1519 = -150*v + 883 + 148 for v.
ANS:
17