Question

x-y=1
x+y=1
find x and y​

Answer 1

Answer:

add both equations.

then, y will be cancelled out.

and 2x= 2

then, x= 1

now, put value of x in equation 1st

1-y=1

-y=1/1

then, y= -1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

1) let take X=2

x-y=1

2-y=1

2-1=y

y=1

2) let y=1

X+y=1

X+1=1

X=1-1

X=0