Question:
Solve 6*b - 1289 + 989 = 0 for b..

Answer:
50

Question:
Solve 6493 = 363*r + 22828 for r..

Answer:
-45

Question:
Solve 31328 = 2446*y - 1734*y for y..

Answer:
44

Question:
Solve 10*v - 2 - 8 = 0 for v..

Answer:
1