Question: What is the solution?

Solve 0 = 7*w - 6 - 8 for w.

Answer: 2

Question: What is the solution?

Solve -34*u = -15*u - 152 for u.

Answer: 8

Question: What is the solution?

Solve 407*z + 21978 = -103*z - 753*z + 264*z for z.

Answer: -22

Question: What is the solution?

Solve 0 = -3140*h - 13966*h + 1077678 for h.

Answer:
63