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Sagot :
Answer:
yes it does
Step-by-step explanation:
if y =0,
x=9
if x =0,
y=-9
therefore it makes the equation true.

Answer:
No it doesn't
Step-by-step explanation:
Because substituting Y=9 and x=0 into the equation it won't give the correct answer:
9=0-9
9=-9
this shows that they are not equal
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