The expression "16) x - 9" seems to represent either a subtraction operation involving \(x\) and 9, or it might indicate the 16th item in a sequence. I'll assume it's the expression \( x - 9 \) unless you provide additional context.

If you're looking for solutions or insights related to this, the expression \( x - 9 \) is a linear one, and you can rearrange or solve it based on additional information.

For example:

- If you have an equation like \( x - 9 = 0 \), you can solve for \(x\) as follows:

\[
x - 9 = 0 \quad \Rightarrow \quad x = 9
\]

Would you like to clarify if there's a specific context or next step? 

Here are 5 questions related to algebraic manipulation:

1. What happens when you add 9 to both sides of \(x - 9 = y\)?
2. How would you solve \(x - 9 = 5\)?
3. Can you graph the function \(f(x) = x - 9\)? What is its slope and y-intercept?
4. What is the inverse of the function \(f(x) = x - 9\)?
5. How do you solve inequalities like \(x - 9 \geq 0\)?

**Tip:** To isolate a variable in an equation, perform the same operation on both sides of the equation.

Understand how to solve the linear equation x - 9, including step-by-step algebraic manipulation and applying the properties of equality. Explore solving for x in the context of equations like x - 9 = 0 and graphing linear functions. Perfect for students in Grades 6-8.

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