QUESTION: Math problem: Solve 0 = 4*z - 2*z for z.
ANS: 0
QUESTION: Math problem: Solve 0 = 227*c - 234*c - 28 for c.
ANS: -4
QUESTION: Math problem: Solve 30654 = 198*b + 588*b for b.
ANS: 39
QUESTION: Math problem: Solve 6906*i - 370 = 6869*i for i.
ANS:
10