Question

x-y=1;x+y=-1
solve the above equation​

Answer 1

Answer:

=0, =

Step-by-step explanation:

Answer 2

Answer:

X= 0 and Y = -1

Step-by-step explanation:

adding both equations

x-y + x+y= 1-1

2x = 0

x= 0

put value of x in x+y=-1

0+y = -1

Y= -1