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x + y = 5 and x - y = 3 are two simultaneous linear equations, and they have only one solution?
  1. (4,1)
  2. (1,4)
  3. (2,3)
  4. None of these
Explanation

Let's solve the equations:

1. x + y = 5

2. x - y = 3

Add both equations:

2x = 8

x = 4

Now, substitute x = 4 in equation (1):

4 + y = 5

y = 1

The solution is (4, 1).

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