Answer:
x = 1, y = 1/4
Step-by-step explanation:
[tex]11x + 4 y = 12 \ \ \ ---( 1)\\9x -4y = 8 \ \ \ - - - (2)\\\\(1) + ( 2 ) => 20x + 0 = 20\\\\[/tex]
[tex]=> x = 1[/tex]
Substitute x = 1 in ( 1 ) :
[tex]11 + 4y = 12\\4y = 12 - 11\\\\y =\frac{1}{4}[/tex]