madelinewilliams402 madelinewilliams402

15-12-2019
Mathematics

contestada

- 6x+4y=-6
- 8x+4y=-4
How do I do this? All I know is its process of elimination.

Respuesta :

Yang100 Yang100

15-12-2019

Answer:

x=-1, y=-3. (-1, -3).

Step-by-step explanation:

-6x+4y=-6

-8x+4y=-4

------------------

-6x+4y=-6

-(-8x+4y)=-(-4)

----------------------

-6x+4y=-6

8x-4y=4

--------------------

2x=-2

x=-2/2

x=-1

-8(-1)+4y=-4

8+4y=-4

4y=-4-8

4y=-12

y=-12/4

y=-3

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