X-y=3=>x=3+y
X+2y=-6
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3+y+2y=-6
3+3y=-6
3y=-6-3
3y=-9
y=-3
X+2y=-6
X+2(-3)=-6
X-6=-6
X=0
I don't know the answer I'm just answering some thing so that Brinley will let me ask a question. Hope this helps LOL
Answer:
Step-by-step explanation:
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Answer:
the second option
Step-by-step explanation:
