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Christopher A · Answer 1 · 2019-12-02T22:21:49+0000

The number . . . . . N
The difference of the number and 9 . . . N-9
Seven times that difference . . . . . . . 7(N-9)

You said that 7(N-9) = 2 .

Divide each side by 7 : N - 9 = 2/7

Add 9 to each side: N = 9 and 2/7

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