Q: What is the solution?
Solve 0 = 28*x - 125 - 99 for x.

A: 8

Q: What is the solution?
Solve -164*r - 340 = -266*r + 136*r for r.

A: -10

Q: What is the solution?
Solve -54 = 49*a - 58*a for a.

A:
6