Answer:
to find Y
-4x + 11y = 15
x - 2y = 0
.
equal= -3x + 9y= 15
since x=2y
-3(2y) + 9y = 15
-6y + 9y =15
3y = 15
y = 15/ 3
y = 5
to find x
using x=2y
since
y=5
,therefore
x= 2(5)
x= 10
