5(х+7)-6(х-5)=12 ; 5(2х+1)-2(4х+3)=2х-1. Created by irishailchenko. algebra-ru

5(х+7)-6(х-5)=12 ; 5(2х+1)-2(4х+3)=2х-1...

August 2022 1 21 Report

5(х+7)-6(х-5)=12 ; 5(2х+1)-2(4х+3)=2х-1

africhinese 5(x+7)-6(x-5)=12
5x+35-6x-5=12
5x-6x=-35+5+12
-x=-18
x=18

5(2x+1)-2(4x+3)=2x-1
10x+5-8x-6=2x-1
10x-8x-2x=-5+6-1
x=0

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