luisoverp3ulsi luisoverp3ulsi

08-02-2018
Mathematics

contestada

11 diminished by five times a number is the same as four times a number increased by 20 find the number

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smartychip smartychip

11-02-2018

Let the number=n
11-5*n=4*n+20
-5*n-4*n=20-11
-9*n=9
n=-1

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