Question: What is the solution?

Solve 2*p + 20 = 16 for p.

Answer: -2

Question: What is the solution?

Solve -38*j = -24*j - 28 for j.

Answer: 2

Question: What is the solution?

Solve -339 = 43*a - 81 for a.

Answer: -6

Question: What is the solution?

Solve -1736 = 10*u - 2*u - 32*u - 7*u for u.

Answer:
56