koalacorn koalacorn

28-03-2017
Mathematics

contestada

Seven fifths of a number, z, subtracted from 6 times the same number is 3 .

What equation represents the statement?

Respuesta :

28-03-2017

6z-7z/5=3

(30z-7z)/5=3

30z-7z=15

23z=15

z=15/23

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