Question:
Solve 4*c + 0 = 4 for c..

Answer:
1

Question:
Solve 5133 + 20626 = 410*d + 207*d - 3240 for d..

Answer:
47

Question:
Solve 532*g + 586*g + 118 - 3472 = 0 for g..

Answer:
3

Question:
Solve 63*o - 423 = 16*o for o..

Answer:
9