I think it is d I am not sure but i guess it's D
Answer: B. 12.7
Step-by-step explanation:
You have to distribute the 3 first then combine like terms and divide to get n by itself so n=1/2
Answer:
x=12, y=4. (12, 4).
Step-by-step explanation:
x-y=8
x/y=3
--------
x=y+8
(y+8)/y=3
y+8=3y
8=3y-y
8=2y
y=8/2
y=4
x-4=8
x=8+4
x=12
