Question: What is the solution?

Solve 0 = -15*m + 15 + 15 for m.

Answer: 2

Question: What is the solution?

Solve 1838*u - 1795*u = 430 for u.

Answer: 10

Question: What is the solution?

Solve 160*y - 511*y = 1261*y + 1005*y - 177956 for y.

Answer: 68

Question: What is the solution?

Solve 321*d - 5*d = -9725 - 8287 for d.

Answer:
-57