Question:
Solve 0 = 22*j - 9*j for j..

Answer:
0

Question:
Solve 8*q = 326 - 286 for q..

Answer:
5

Question:
Solve 504*d - 231*d = 209*d + 1728 for d..

Answer:
27

Question:
Solve -20*f - 166 = -211*f + 25 for f..

Answer:
1