Автор - Hgvgsa

4x-3y+1=0
3x+4y-4=0
Решите уравнение

Ответ

Автор - Carapace2004

Ответ:

(0,32 ; 0,76)

Пошаговое объяснение:

{4x = 3y - 1

{3x + 4x = 4

{x = 3y/4 - 1/4

{3 ( 3y/4 - 1/4 ) + 4y = 4

9y/4 - 3/4 + 4y = 4 | *4

9y - 3 + 16y = 16

25y = 19

y = 19/25 = 76/100 = 0,76 => x= (3/4 * 19/25) - 1/4 = 57/100 - 1/4 = 57/100 - 25/100 = 32/100 = 0,32

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