2x - y = 5
...... (1)
x + y = 3 ........(2)
We will use the
elimination method:
Add (1) and (2):
==> 3x =
8
==> x= 8/3
Now to
calculate y, we will substitute in (1):
2x -y = 5
==>
y= 2x-5 = 2(8/3) -5 = 16/3 -5 = (16-15)/3 = 1/3
==> y=
1/3
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