Resuelve el siguiente sistema de ecuaciones de 2x2 por el método que tu quieras en tu cuaderno: 2x+y=7 2x-y=1 ¿Cuál es la solución de x y cual el de y? * A) X=3 Y=2

B) X=2 Y=3

C) X=-3 Y=-3

D) x=-2 y=-3​

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit