Помогите пожалуйста!!!12х-х-55=0;8х-5х-3=6;2+6а+4а=92. Created by marinastolyaro. matematika-ru

Помогите пожалуйста!!!12х-х-55=0;8х-5х-3=6;2+6а+4а=92...

June 2022 1 2 Report

Помогите пожалуйста!!!12х-х-55=0;8х-5х-3=6;2+6а+4а=92

Answers & Comments

Svetlana565 1)12х-х-55=0
11х-55=0
11х=0+55=55
х=55:11
х=5

2)8х-5х-3=6
3х-3=6
3х=6+3
3х=9
х=9:3
х=3

3)2+6а+4а=92
2+10а=92
10а=92-2
10а=90
а=90:10
а=9

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