Respuesta:
x = 7 y = 2
Explicación paso a paso:
Método de sustitución:
2 x + 3 y = 20
X-2 y = 3 => x = 3 + 2y
2(3+2y) + 3y = 20
6 + 4y + 3y = 20
7y = 14 => y = 2 x = 7
RPTA: x = 7 y = 2
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Respuesta:
x = 7 y = 2
Explicación paso a paso:
Método de sustitución:
2 x + 3 y = 20
X-2 y = 3 => x = 3 + 2y
2(3+2y) + 3y = 20
6 + 4y + 3y = 20
7y = 14 => y = 2 x = 7
RPTA: x = 7 y = 2