<PRE><B>Question 509787</B>
By Elimination Method
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x - y = 2 ...........(1)
x + y = 6............(2)
Add (1) and (2)

x - y = 2
x + y = 6
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2x=8
2x/2=8/2
x=4
Put the value of x in (2)
x + y = 6 ...........(2)
4+y=6
y=6-4
y=2

(x,y) = (4,2)
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Check
Put the value of x and y in (1)
x - y = 2 ...........(1)
4-2=2
2=2




Put the value of x and y in (2)
x + y = 6............(2)
4+2=6
6=6



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