Предмет: Алгебра, автор: sabatynstas

розвязати график функции х-3у=7.4х+у=-11 помогите

Ответы

Автор ответа: qwertyanonum

x-3y=7

4x+y=-11

x-3y=7

12x+3y=-33

13x=-26

x=-2

-2-3y=7

-3y=7+2

3y=-7-2

3y=-9

y=-3

Ответ : (-2;-3).

Автор ответа: kesha2905

Ответ: (-2;-3).

x-3y=7

4x+y=-11

x-3y=7

12x+3y=-33

13x=-26

x=-2

-2-3y=7

-3y=7+2

3y=-7-2

3y=-9

y=-3

Объяснение:

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