1. **State the problem:** Simplify the expression $x + 5y + 4x - 2y$.
2. **Identify like terms:** Terms with $x$ are $x$ and $4x$.
3. **Add like terms with $x$:**
$$x + 4x = 5x$$
4. **Identify like terms with $y$:** $5y$ and $-2y$.
5. **Add like terms with $y$:**
$$5y - 2y = 3y$$
6. **Combine the simplified terms:**
$$5x + 3y$$
7. **Final answer:** The simplified expression is $5x + 3y$.
This corresponds to option b.
Simplify Expression 5E11F6
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