no swap no use less answer
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4
Answer:
|x+y| = 1 ------------------(1)
x-y=0
x=y ---------------------(2)
form 1 and 2
|y+y| = 1
|2y|=1
so in |2y| 2y can be be both negative or positive
so
-2y = 1
y = -1/2
or
2y = 1
y = 1/2
and x = y
so option D is correct answer
I HOPE IT HELPS AND IF IT DOES PLEASE MARK AS BRAINLIEST
Answered by
2
HEY FRIEND....
Answer:
(D) x=y=1/2 or x=y= -1/2
Step-by-step explanation:
Given equation...
- |x+y|=1----------------1.equation
- x-y=0
*when we find the value of 'x' from the second equation we get ""x=y""
*when we substitute value of x in 1st equation...like this
- |x+y|=1 》》》 |x+x|=1 》》》|2x|=1
- So now it can be written in "-2x=1" and"2x=1"
- Now we get 2x=1 》x= -1/2
- And we het -2x=1 》x= -1/-2 so negative sign will be cancelled out from the denominator and numerator so it will become x=1/2
- So we get 2 values of x when we put value of x in y. we can also find value of y and put in x.
- So we can say that x=y= 1/2 or x=y= -1/2
May this help uh bro!!!!!!!!!!!!!!!!
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