Q: What is the solution?
Solve 6495*r - 511*r + 592368 = 695*r for r.

A: -112

Q: What is the solution?
Solve -29*x = -241*x - 349*x for x.

A: 0

Q: What is the solution?
Solve -233*z + 638*z = 474 + 5601 for z.

A:
15