Q: What is the solution?
Solve -20*k + 23 + 17 = 0 for k.

A: 2

Q: What is the solution?
Solve 48*z + 1080 = 936 for z.

A: -3

Q: What is the solution?
Solve 42*k - 448*k - 42579 = 478*k - 120371 for k.

A:
88