Answer:
x = 6 , y = 3
Step-by-step explanation:
x− 2 y = 0 ⇒ x = 2 y
Substitute x=2y into 4x-3y=15, we get : 4 ( 2 y ) − 3 y = 15
8 y− 3 y = 15 5 y = 15 ⇒ y = 3 x = 2 y = 2 × 3 = 6
