Answer:
Explanation:
2x-y = 9
2x+y = 11
=> -y = 9
-y = -11
=> -y = 9
-y = -11
=> -2y = -2
=> 2y = 2
=> y = 1
Using the equation, let's find x.
=> 2x+y = 11
=> 2x + 1 = 11
=> 2x = 11 - 1
=> 2x = 10
=> x = 5
Therefore, our answers are 'x = 5; y = 1'.
Hoped this helped.