Please help me quick......
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1 . x + y = 0 is correct because.
(-1,1) here x = -1 and y =1
so x + y = -1+1
=0
in all cases it is right.
2. y = -x +2 is correct
(-1,1) here x = -1 and y =1
so x + y = -1+1
=0
in all cases it is right.
2. y = -x +2 is correct
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