draw the graph nad find the unique solution x+y=5 and x-y =1
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The graph can't be drawn here. I can show you only as follows:-
x+y=5 or, x=5-y
x-y=1or, x=1+y
Therefore, in x=5-y If y=1
then x= 4.
If y= 2, then x= 3
If y= 3 then x=2
Again in x=1+y
If y= 1, x= 2
If y= 2, x= 3
If y= 3, x= 4
Now you have to draw the x- y graph and plot the x and y points in each equation case.
Here, I can give you hint to draw the graph , make the scale of the graph to 5units .
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