QUESTION: Math problem: Solve 100*b + 2063 = 463 for b.
ANS: -16
QUESTION: Math problem: Solve 63*i - 52*i + 44 = 0 for i.
ANS: -4
QUESTION: Math problem: Solve 2*f + 219 = 221 for f.
ANS: 1
QUESTION: Math problem: Solve 23*d - 355 = -79*d - 1681 for d.
ANS:
-13