Question: What is the solution?

Solve -26 = 5*u + 49 for u.

Answer: -15

Question: What is the solution?

Solve -7*h - 6*h = -h - 12 for h.

Answer: 1

Question: What is the solution?

Solve 56926 - 29046 = 1326*s - 64940 for s.

Answer: 70

Question: What is the solution?

Solve 0 = -2897*x + 3266*x + 29151 for x.

Answer:
-79