x+y=3 x-y=4 Plzz ans the que
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Given : x + y = 3 ............(1)
x - y = 4............. (2)
From eq. (1),
x = 3 - y ............(3)
Using (3) in (2),
[ 3 - y ] - y = 4
3 - 2y = 4
-2y = 1
-y = 1/2
y = -1/2
Using y = -1/2 in (3)
x = 3 - [-1/2]
x = 3 + 1/2
x = 7/2
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