Question

Please answer this question correctly please

Answer 1

so the answer is 2

hope it helps!

pls mark as brainliest!!!

Answer 2

Answer:

Step-by-step explanation:

Let X= -1 and Y=2

Putting these value in given equation

2x -ay +6=0

2(-1)+a(2)+6=0

-2 + 2a +6 =0

2a+4=0

2a =-4

a=4/2

a=2

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