Subjects algebra

Expression Simplification 645D2A

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1. **State the problem:** Simplify the expression $3x - (2x + 4) + 5$ and find which option it matches. 2. **Apply the distributive property:** Remove the parentheses by distributing the minus sign: $$3x - (2x + 4) + 5 = 3x - 2x - 4 + 5$$ 3. **Combine like terms:** $$3x - 2x = x$$ $$-4 + 5 = 1$$ 4. **Write the simplified expression:** $$x + 1$$ 5. **Match with options:** The expression matches option B: $x + 1$. **Final answer:** $x + 1$