Автор - aiiii49

0,3x -1,8 >-7,5x-2,8​

Ответ

Автор - Reideen

0,3х-1,8>-7,5x-2,8

0,3x+7,5x>-2,8+1,8

7,8x>-1

x>-1/7,8

x∈(-1/7,8; +∞)

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