Question:
Solve 6829 = 153*b + 427*b - 7671 for b..

Answer:
25

Question:
Solve 112 = 320*i - 336*i for i..

Answer:
-7

Question:
Solve 8*j = 20 + 4 for j..

Answer:
3

Question:
Solve 0 = 4*z + 2613 - 2617 for z..

Answer:
1