Question: What is the solution?

Solve 5*s = 2*s for s.

Answer: 0

Question: What is the solution?

Solve 427*k + 8753 = -18229 + 3022 - 2941 for k.

Answer: -63

Question: What is the solution?

Solve -65 = -92*x + 79*x for x.

Answer: 5

Question: What is the solution?

Solve -245*d + 2111 - 1002 = -2811 for d.

Answer:
16