Question: What is the solution?

Solve 79*y + 44*y = -123 for y.

Answer: -1

Question: What is the solution?

Solve 111*l + 30*l - 3528 - 420 = 0 for l.

Answer: 28

Question: What is the solution?

Solve -44*u + 88*u = 37*u - 98 for u.

Answer: -14

Question: What is the solution?

Solve -55*z = -34*z - 24 - 207 for z.

Answer:
11