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7 times the difference of a number and 9 equals 4. what is the number?

 
Guest Sep 14, 2017
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Let the number = N. Then we have:

7[N - 9] = 4

7N - 63 = 4 

7N =4 + 63

7N = 67 divide both sides by 7

N = 67 / 7

N = 9 4/7

 
Guest Sep 14, 2017

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