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In Mathematics / Middle School | 2014-05-10

Which expression is equivalent to the given expression [tex]13(x - 21)[/tex]?

A. [tex]13x - 21[/tex]
B. [tex]13x - 34[/tex]
C. [tex]13x - 13 \cdot 21[/tex]
D. [tex]13 - 21x[/tex]

Asked by mjchey

Answer (2)

13 ( x − 21 ) = 13 x − 13 ⋅ 21 A m s w er : C . 13 x − 13 ⋅ 21

Answered by Lilith | 2024-06-10

The expression equivalent to 13 ( x − 21 ) is C, which is 13 x − 13 ⋅ 21 . This expression uses the distributive property correctly. Simplifying the expression directly gives 13 x − 273 .
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Answered by Lilith | 2024-12-24