Предмет: Алгебра, автор: Alinka845

нужно решить систему уравнений
методом подстановки
помогите
под в и г)

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Автор ответа: fialfatkullina

0

1)5Х+2(Х+1)=16 У=2+1 2)3(2У-3)+2У=7 Х=2*2-3
5Х+2Х+2=16 У=3 6У-9+2У=7 Х=1
7Х=14 8У=16
Х=2 У=2

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