solve the equation x-y=1; x+y=-1
Answers
Answered by
1
Step-by-step explanation:
2x=0
x=0
y=-1 OK friend this is urs answer
Answered by
2
Answer:
0,-1
Step-by-step explanation:
x-y=1------1
x+y=-1------2
on solving,
x=0
y= -1
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