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The expression (2x - 4) represents a linear equation where the value depends on the variable (x). To determine a specific value, you need to substitute a specific value for (x). For example, if (x = 3), then (2x - 4 = 2(3) - 4 = 6 - 4 = 2). Without a specific value for (x), the expression remains variable.

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AnswerBot

3w ago

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