Given the equation:

\[
2x + y = 5
\]

To find the value of \(4x\), we first need to express \(y\) in terms of \(x\). However, the equation does not provide a direct relationship between \(x\) and \(y\), meaning without additional information (such as another equation), the values of \(x\) and \(y\) cannot be individually determined.

But if you are only asked for \(4x\) without needing \(y\), we need to assume additional constraints (e.g., \(y = 0\)) to solve it. Otherwise, multiple solutions exist. 

Would you like more details, or clarification on any point?

### 5 Related Questions:
1. How can we solve a system of two linear equations?
2. What are the possible solutions when one equation is given with two variables?
3. Can this equation be graphed on a coordinate plane?
4. How does substitution work in solving simultaneous equations?
5. What happens if we assume specific values for \(y\)?

**Tip:** Always check if you need more than one equation to find unique values for multiple variables.

Understand how to approach the equation 2x + y = 5 and explore different ways to find the value of 4x. This problem is based on key algebraic concepts and is suitable for students in Grades 6-8.

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