QUESTION: Math problem: Solve 70*v + 1749 = -39*v + 56*v for v.
ANS: -33
QUESTION: Math problem: Solve -144*d + 252*d = -1944 for d.
ANS: -18
QUESTION: Math problem: Solve 12517*o = 12497*o - 40 for o.
ANS: -2
QUESTION: Math problem: Solve 1420*u - 1987985 = -22189*u + 1842142 - 808175 for u.
ANS:
128