Question: What is the solution?

Solve -11*d - 4*d - 260 = -28*d for d.

Answer: 20

Question: What is the solution?

Solve 9320*m = 178728 - 849768 for m.

Answer: -72

Question: What is the solution?

Solve 30 = 8*f - 23*f for f.

Answer: -2

Question: What is the solution?

Solve 746*h + 83*h + 909 = -749 for h.

Answer:
-2