Question: What is the solution?

Solve -2823 = -z - 2825 for z.

Answer: -2

Question: What is the solution?

Solve -198*f + 37325 = 572*f + 10375 for f.

Answer: 35

Question: What is the solution?

Solve -12*k - 3530 + 38391 = 937*k - 1201 for k.

Answer: 38

Question: What is the solution?

Solve 135*v + 41 = 28*v - 708 for v.

Answer:
-7