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Five times a number is divided by 7 more than that number minus 4.  If the result is 18, then what was the original number.

 Jan 3, 2023
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Let the original number ==N

 

[5N] / [N  -  4  +  7] == 18, solve for N

 

N = -54/13 == - 4  2/13 - the original number

 Jan 3, 2023

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