Q: Solve -115*b - 332 = 217*b for b.

A: -1

Q: Solve -227162*r + 11325 = -227313*r for r.

A: -75

Q: Solve 9758*v = -4065 - 15451 for v.

A: -2

Q: Solve 16*n - 6*n + 30 = 0 for n.

A:
-3