Предмет: Математика, автор: artyr876

Срочно! 3(х-1)-2(2-3х)>5х-3 , 7х-3(2х+5)>3(х-7) пожалуйста​

Ответы

Автор ответа: valerasupervip
1

Ответ:

1) X > 1; 2) X < 3

Пошаговое объяснение:

1) 3(x-1) - 2(2-3x) > 5x-3

3x-3-4+6x > 5x-3

3x+6x-5x > 3+4-3

4x > 4

x > 1

2) 7x - 3(2x+5) > 3(x-7)

7x-6x-15 > 3x-21

7x-6x-3x > 15-21

-2x > -6

x < 3

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