Помогите! 1/6(х+9)= -1/3х 3/4(х+8)=2х+1. Created by sofiya27salihova. matematika-ru

4(х+8)=2х+1...

July 2022 1 4 Report

Помогите!
1/6(х+9)= -1/3х
3/4(х+8)=2х+1

Answers & Comments

boss0898 1/6*(х+9)=-1/3х
6*1/6*(х+9)=-6*1/3х
х+9=-2х
х+2х=-9
3х=-9
х=-3

3/4*(х+8)=2х+1
3/4х+6=2х+1
4*3/4х+4*6=4*2х+4*1
3х+24=8х+4
3х-8х=4-24
-5х=-20
х=4

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