Question

ayudaaas X+3y=0 2x-3=9​

Answer 1

Respuesta:

:)

Explicación paso a paso:

x + 3y = 0   (-2)

2x - 3y = 9​

-2x - 6y = 0

2x - 3y = 9

-2x + 2x - 6y - 3y = 0 + 9

-9y = 9

y = 9/-9

y = -1

x + 3y = 0

x + 3(-1) = 0

x - 3 = 0

x = 3