anlawrence anlawrence

09-01-2020
Mathematics

contestada

elimination method
-2x-9y=-25
-4x-9y=-23

Respuesta :

Stefanisaska Stefanisaska

12-01-2020

Answer:(-1,3)

Step-by-step explanation:

-2x-9y=-25

-4x-9y=-23

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

Subtract equation -4x-9y=-23 from -2x-9y=-25

2x=-2

x=-2/2

x=-1

-2(-1)-9y=-25

-9y=-27

y=27/9

y=3

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