Question: What is the solution?

Solve -135*d - 263 - 7 = 0 for d.

Answer: -2

Question: What is the solution?

Solve 258*v + 15 = 253*v for v.

Answer: -3

Question: What is the solution?

Solve -3984*z - 6325*z + 395852 = -446828 + 28269 for z.

Answer: 79

Question: What is the solution?

Solve -11 = p - 6 for p.

Answer:
-5