anmith85 anmith85

13-05-2017
Mathematics

contestada

Find a number such that one-half of the number is 9 less than two-thirds of the number

Respuesta :

jdoe0001 jdoe0001

13-05-2017

let's say, the number is "a"
thus [tex]\bf \cfrac{1}{2}a=\cfrac{2}{3}a-9\implies \cfrac{a}{2}=\cfrac{2a}{3}-9\implies \cfrac{a}{2}=\cfrac{2a-27}{3}[/tex]

cross-multiply and solve for "a"

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