Q: What is the solution?
Solve 5*u = -86 + 81 for u.

A: -1

Q: What is the solution?
Solve 29*a + 401 = -121*a + 101 for a.

A: -2

Q: What is the solution?
Solve -77*g - 134*g = 39*g + 6750 for g.

A:
-27