anahi86 anahi86

08-11-2019
Mathematics

contestada

Twice the difference of 7 and a number.

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devishri1977 devishri1977

10-11-2019

Answer:

Step-by-step explanation:

Let the number be x

difference of 7 and a number = 7 - x

Twice the difference of 7 and a number = 2 * (7-x)

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