3,2х+5,6+5,8х=17,21????

Question

3,2х+5,6+5,8х=17,21????

Answer 1

3,2х+5,6+5,8х=17,21
3,2х+5,8х=17,21-5,6
9х=11,61
х=11,61/9
х=1,29

Answer 2

Решение на фотографии