QUESTION: Math problem: Solve 621*n = 627*n + 48 for n.
ANS: -8
QUESTION: Math problem: Solve -2*x + 0 = -10 for x.
ANS: 5
QUESTION: Math problem: Solve 152 = 3150*v - 3074*v for v.
ANS: 2
QUESTION: Math problem: Solve -833*r - 1007 = -886*r for r.
ANS:
19