x+y=9 (x=0,x=1,x=2, y=1)
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Answer:
Y=9, Y=8, Y=7, X=8
Step-by-step explanation:
X+Y=9 (X=0)
0+Y=9
y=9
X+Y=9 ( X=1)
1+Y=9
Y= 9-1
Y=8
X+Y=9
2+Y=9
Y=9-2
Y=7
X+Y=9
X+1=9
X=8
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