Question:
Solve 1339*w = 1407*w - 136 for w..

Answer:
2

Question:
Solve 153104*w = 153042*w + 2418 for w..

Answer:
39

Question:
Solve 138*t - 17*t = -184*t + 3965 for t..

Answer:
13

Question:
Solve -62*x - 29*x - 81 = -21*x + 269 for x..

Answer:
-5