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Twenty more than four times a number is equal to the difference between 139 and three times the number. Find the number.

 Aug 29, 2021
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Let the number ==N

 

4N  +  20 ==139  -  3N

 

4N  +  3N ==139  -  20

 

7N ==119

 

N ==119 / 7 ==17 - which the number in question.

 Aug 29, 2021

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