Question

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

Answer 1

Answer:(-1,3)

Explanation:

-2x-9y=-25

-4x-9y=-23

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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