Question: What is the solution?

Solve -33 = -19*k + 24 for k.

Answer: 3

Question: What is the solution?

Solve 8*x - 284 = -324 for x.

Answer: -5

Question: What is the solution?

Solve -360*d - 377*d = -877*d + 258*d - 3894 for d.

Answer: 33

Question: What is the solution?

Solve 30*h - 165 = -765 for h.

Answer:
-20