Найти x {3x-2y=0 {x+y=5

Question

Найти x {3x-2y=0 {x+y=5

Answer 1

Ответ:

[tex]3x - 2y = 0 \\ x + y = 5 \\ \\ 3x - 2y = 0 \\ y = 5 - x \\ \\ 3x - 2(5 - x) = 0 \\ 3x - 10 + 2x = 0 \\ 5x = 10 \\ x = 2[/tex]

Comments

а у=3

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да