Предмет: Математика, автор: 17111605

Решите неравенства! Пожалуйста помогите ​

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Автор ответа: kuzyain
1

Ответ:

Пошаговое объяснение:

ОБЩИЙ знаменатель 20, тогда

80+4*(7у-3)⊃5*(3у+5)-10*3у

80+28у-12⊃15у+25-30у

28у-15у+30у⊃25+12-80

43у⊃-43

у⊃-43-43

у⊃-83

Автор ответа: nurali49
1

80+4(7y-3)>5(3y+5)-30

80+28y-12>15y+25-30y

68+28y>-15y+25

28y+15y>25-68

43y>-43

y>-1

yэ{1,+8набараот}

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