3x= x+40,5x+3=0,2x4x-8=6-3x7m+1=8m+9...

nelack1official @nelack1official

July 2022 1 0 Report

3x= x+4
0,5x+3=0,2x
4x-8=6-3x
7m+1=8m+9

Answers & Comments

lyumpampusik 1) 3х=х+4
3х-х=4
2х=4
х=4:2
х=2

2) 0,5х+3=0,2х
0,5х-0,2х=-3
0,3х=-3
х=-3:0,3
х=-10

3) 4х-8=6-3х
4х+3х=6+8
7х=14
х=14:7
х=2

4) 7m+1=8m+9
7m-8m=9-1
-1m=8
m=8:(-1)
m=-8

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