3. The difference of a number and 7 is 21. (1 point) A 21– 7 = n; n =14 B n + 7 = 21; n = 14 C n – 7 = 21; n =28 D 21

asked Jan 28, 2018 169k views

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3. The difference of a number and 7 is 21. (1 point)

A 21– 7 = n; n =14
B n + 7 = 21; n = 14
C n – 7 = 21; n =28
D 21 – n = 7; n = 14

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(difference of Number and 7)=( n-7)=21
Hence C) n-7=21
n=21+7
n=28

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