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Advanced Math / Equivalent expressions Difficulty: Easy

Which expression is equivalent to $20 w - (4 w + 3 w)$ ?

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Explanation

Choice B is correct. Combining like terms inside the parentheses of the given expression, $20 w - (4 w + 3 w)$ , yields $20 w minus left parenthesis 7 w right parenthesis$ . Combining like terms in this resulting expression yields $13 w$ .

Choice A is incorrect and may result from conceptual or calculation errors.

Choice C is incorrect and may result from conceptual or calculation errors.

Choice D is incorrect and may result from conceptual or calculation errors.