Let's break down the expression you provided to determine if there's a solution for \( z \).
It seems like the expression is not in a standard equation format. The part "1123(721) - 10x" seems to imply a mathematical operation, but it doesn't directly express \( z \).
To assess the possible solutions, we need to clarify the following:
- What is the complete equation that needs to be solved? Is there an equals sign and an expression on the other side?
- Define the relationship between \( x \) and \( z \).
If we were to rewrite it in terms of \( z \) assuming there's an equal sign missing (e.g., \( 1123(721) - 10x = z \)), we could analyze it further.
Please provide the complete equation or confirm the context so that I can assist accurately! Without a specific equation, I can't definitively state whether there are one, none, or infinite solutions for \( z \).