Question

Решите уравнения
9(213-2х)=927
1344/(х+26)=32
384/(51-5х)=24

Answer 1

9(213-2х)=927
213-2х=927:9
213-2х=103
2х=213-103
2х=110
х=110:2
х=55

1344/(х+26)=32
х+26=1344:32
х+26=42
х=42-26
х=6

384/(51-5х)=24
51-5х=384:24
51-5х=16
5х=51-16
5х=35
х=35:5
х=7