Предмет: Алгебра, автор: jyliagarina

Помогите мне пожалуйста, очень срочно‼️‼️‼️

Розв'яжіть способом додавання систему двох лінійних рівнянь з двома змінними.(відповідь записати у круглих дужках, через крапку з комою) 3х – 2y = 15 4x+2y = 6,

Ответы

Автор ответа: TomikWho

1

$\left \{ {{3x-2y=15} \atop {4x+2y=6}} \right.$

$\left \{ {{7x=21} \atop {4x+2y=6}} \right.$

$\left \{ {{x=3} \atop {12+2y=6}} \right.$

$\left \{ {{x=3} \atop {y=-3\\} \right.$

(3;-3)

Объяснение:

jyliagarina: спасибо огромное

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