Question

3x + 4y = -8
x - 7y = -11
valores: x = -4, y = 1

son equivalentes o no?​

Answer 1

Respuesta:

sí

Explicación paso a paso:

3 (-4) 4 (1) = -8

-12 + 4 = -8

-8 = -8

2-)

-4 - 7(1) = -11

-11 = -11