vbui2500 vbui2500

09-11-2017
Mathematics

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If 50 decreased by 4 times a certain number, the result is 15 more than the number. find the number

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yixuann yixuann

09-11-2017

let the numbet be x.
50-4x=15+x
50-15=x+4x
5x=35
x=7
hence the number is 7

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