Q: Solve -5*r = -6*r - 26*r for r.

A: 0

Q: Solve 10*f - 627 = -577 for f.

A: 5

Q: Solve 10441*i - 10391*i = 250 for i.

A: 5

Q: Solve 0 = 159*b - 1738983 + 1754088 for b.

A:
-95