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Represent the following phrase as an algebraic expression, where “a number” is the letter x . You do not need to simplify.

Twice the difference of a number and 1.

Answer Attempt 1 out of 2
Sulbit Answes

To create an algebraic expression for “Twice the difference of a number and 1,” you can express it as: 2(x - 1). This represents taking the difference of x and 1, then multiplying that difference by 2. It’s a neat way to capture that phrase mathematically while keeping the symbolism smooth!

Here’s a little tip for anyone tackling algebraic expressions: always break down the phrase piece by piece. Identifying keywords—like “difference,” “twice,” and “number”—can help you translate word problems into math language more effectively while minimizing potential mistakes!