Q: What is the solution?
Solve 45*t - 487 = 188 for t.

A: 15

Q: What is the solution?
Solve -5*r - 12 + 17 = 0 for r.

A: 1

Q: What is the solution?
Solve -17*k - 2 + 19 = 0 for k.

A:
1