Question: What is the solution?

Solve -87*k + 95*k = 0 for k.

Answer: 0

Question: What is the solution?

Solve 0 = 4*u + u for u.

Answer: 0

Question: What is the solution?

Solve 0 = -3538*i - 744*i + 55828 + 46940 for i.

Answer: 24

Question: What is the solution?

Solve -3*j = -27*j for j.

Answer:
0