Предмет: Алгебра, автор: Cola1488

-2х=14
3x-4=20
5x-11=2x+7

Ответы

Автор ответа: DariaKlimenko

0

1) х=-7 2) х=8 3) х=6

Автор ответа: Katya2627

0

1)14:(-2). Х=-72)3х=20+4=24 х=8. 3)5х-2х=7+11. 3х=18. Х=18:3. Х=6

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