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Five times a number is divided by 7 more than the original number.  If the result is \(8\), then what was the original number?

 May 5, 2022
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Let the original number   = N

 

So

 

(5N)  / (N + 7)  = 8

 

5N  =  8 (N + 7)

 

5N  = 8N + 56

 

-56  =  8N - 5N

 

-56  =  3N

 

-56/3  =   N

 

 

cool cool cool

 May 6, 2022

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