Answer:
16
Step-by-step explanation:
8n ; n=2
substitute 2 for n
8*2 = 16
plug in 2 for the letter n. 8(2)=16
parantheses mean multiplication.
Ik this is late but the answer is A
24,12
suppose,
x+y=36
x=2y
2y+y=36
y=12
x=24