Автор - danilkaymnii95

2x+3y +z=10+0-1
5x+0y + (5-0)z 25 0²-5+0
(15+0) *+ 5y + D2 25+ 0-0
Решите пожалуйста,буду благодарен))
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Ответ

Автор - tatanalapaeva02

1)2x + 3y + z = 10 + 0 + - 1 \ 2x + 3y + z = 10 - 1 \ 2x + 3y + z = 9 \ 2x = 9 - 3y - z \ x times frac{9}{2}  - frac{3}{2} y -  frac{1}{2} z

2)2x - 0y + (5 - 0) = 25 \ times  {0}^{2}  - 5 + 0  \ 5x + 0 + 5 = 25 times 0 - 5 + 0 \ 5x + 5 = 0 - 5 \ 5x + 5 =  - 5 \ 5x =  - 5 - 5  \ 5x =  - 10 \ x =  - 2

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