Question: What is the solution?

Solve 17*d - 86 = 3*d - 29*d for d.

Answer: 2

Question: What is the solution?

Solve 812*w = 815*w + 15 for w.

Answer: -5

Question: What is the solution?

Solve -94*t + 525 = -19*t for t.

Answer: 7

Question: What is the solution?

Solve 41*f - 4946 - 10894 = 121*f + 52*f for f.

Answer:
-120