Question:
Solve -26*z = -30*z for z..

Answer:
0

Question:
Solve -485 + 145 = -85*r for r..

Answer:
4

Question:
Solve -13939*g + 13773*g + 2324 = 0 for g..

Answer:
14

Question:
Solve 13513 + 10167 = 740*c for c..

Answer:
32