(7,8-3,2х):3/5равно 5

Question

(7,8-3,2х):3/5равно 5

Answer 1

(7,8-3,2х):3/5=5
7,8-3,2х=5*3/5
7,8-3,2х=3
3,2х=7,8-3
3,2х=4,8
х=4,8:3,2
х= 1,5

Answer 2

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