mommamaidz mommamaidz

17-02-2014
Mathematics

contestada

use elimination to solve x + 4y = -8 and x - 4y = -8

Respuesta :

Аноним Аноним

18-02-2014

Add them to get 2x=-16, x=-8, substitute in either to get 4y=0, y=0.

Answer Link

ABLOSSOM267 ABLOSSOM267

31-01-2020

Answer:

x=-8

y=0

Step-by-step explanation:

x+4y=-8

x-4y=-8

2x=-16

2

x=-8

-8+4y=-8

+8 +8

4y=0

4

y=0

Answer Link

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