Q: What is the solution?
Solve 0 = -20400*x + 20452*x + 520 for x.

A: -10

Q: What is the solution?
Solve -686 = -391*j + 3993 + 7833 for j.

A: 32

Q: What is the solution?
Solve 450*m + 843*m = -100*m + 26090 - 3802 for m.

A:
16