Предмет: Алгебра, автор: alinaovdiy01

4x+2y=5 4x-6y= - 7 методом додавання

Ответы

Автор ответа: offokar

Ответ:

y=1,5

Объяснение:

4x+2y=5

4x-6y=-7

4x=5-2y

5-2y-6y=-7

4x=5-2y

-8y=-12

y=1.5

4x=3

y=1,5

x=0,75

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