1)7х-(3х+2х)=х+9 2) 13-(2х-5)=х-3 3) 3х-(10-9х)=22х 4) 26-(17-2х)=5х. Created by iloveyoy. matematika-ru

1)7х-(3х+2х)=х+9 2) 13-(2х-5)=х-3 3) 3х-(10-9х)=22х 4) 26-(17-2х)=5х...

July 2022 2 7 Report

1)7х-(3х+2х)=х+9
2) 13-(2х-5)=х-3
3) 3х-(10-9х)=22х
4) 26-(17-2х)=5х

xnasika 1)7х-(3х+2х)=х+9
7х-3х-2х=х+9
2х=х+9
2х-х=9
х=9
2) 13-(2х-5)=х-3
13-2х+5=х-3
-2х-х=-3-13-5
-3х=-21
х=7
3) 3х-(10-9х)=22х
3х-10+9х=22х
12х-10=22х
22х-12х=-10
10х=-10
х=-1
4) 26-(17-2х)=5х
26-17+2х=5х
5х-2х=9
3х=9
х=3

7 votes Thanks 8

JuliGreat 4) 26-(17-2х)=5х
26-17+2х=5х
2х-5х=9
-3х=9
х=-3

3 votes Thanks 2

Answers & Comments

13х+27=16х+4,5 задача 6 класса...

25-4х=12-5х задача 6 класса...

18+3х=х+14 задача 6 класса помогите пожалуйста...

рекомендуемые вопросы

Helpful Links

Helpful Social