Question:
Solve 4247*r = 2153*r + 2183*r - 1424 for r..

Answer:
16

Question:
Solve 0 = -2657*g - 51825 + 229844 for g..

Answer:
67

Question:
Solve 43*x - 15*x - 112 = 0 for x..

Answer:
4

Question:
Solve 3446*y + 32 = 3462*y for y..

Answer:
2