90-3х=39 12х+2=62 у:7=7 2у:8=2 3х:5=6 2х+4х=90 7а+3а+2=42 26-2а=0 7+а=36 Help me. Created by bobrowskyegor. matematika-ru

90-3х=39 12х+2=62 у:7=7 2у:8=2 3х:5=6 2х+4х=90 7а+3а+2=42 26-2а=0 7+а=36 Help me...

bobrowskyegor @bobrowskyegor

July 2022 2 4 Report

90-3х=39
12х+2=62
у:7=7
2у:8=2
3х:5=6
2х+4х=90
7а+3а+2=42
26-2а=0
7+а=36
Help me

Gem1n1 1)17
2)5
3)49
4)8
5)10
6)15
7)4
8)13
9)29

1 votes Thanks 1

aleksandruklili 90-3х=39
3х=90-39
3х=51
х=51:3
х=17

12х+2=62
12х=62-2
12х=60
х=60:12
х=5

у:7=7
у=7*7
у=49

2у:8=2
2у=2*8
2у=16
у=16:2
у=8

3х:5=6
3х=6*5
3х=30
х=30:3
х=10

2х+4х=90
6х=90
х=90:6
х=15

7а+3а+2=42
10а+2=42
10а=42-2
10а=40
а=40:10
а=4

26-2а=0
2а=26
а=26:2
а=13

7+а=36
а=36-7
а=29

2 votes Thanks 1

bobrowskyegor Спс

aleksandruklili ок

Answers & Comments

90 3h39 12h262 u77 2u82 3h56 2h4h90 7a3a242 26 2a0 7a36 help me30da08819eb5454db1c50dd26e4080da 65914

90 3h39 12h262 u77 2u82 3h56 2h4h90 7a3a242 26 2a0 7a36 help me

рекомендуемые вопросы

Helpful Links

Helpful Social