Question: What is the solution?

Solve 0 = -14*y - 74*y - 107*y - 1170 for y.

Answer: -6

Question: What is the solution?

Solve 129*d - 320 = 169*d for d.

Answer: -8

Question: What is the solution?

Solve -77 = -66*z - 692 - 507 for z.

Answer: -17

Question: What is the solution?

Solve -6887*w - 3395*w = 791714 for w.

Answer:
-77