Answer : a
step by step explanation :
The answer is 0.04 (I hope). Here is an explanation:
Replace n with 12.
9 + 12 / 3 - 6
Simplify.
21 / -3 = -7
Hope this helps!
Answer:
34.9
Step-by-step explanation:
Because if you multiply then divide by 2 that will help you alot.
Answer:
x=5/2 + a/2, y= 5/2 - a/2
Step-by-step explanation:
We can solve this system using addition of the equations
x+y=5
<u>x-y=a</u>
2x =(5+a)
x=(5+a)/2= 5/2 +a/2
x=5/2 +a/2
x-y=a
y = x - a , x=5/2 + a/2
y= 5/2 + a/2-a
y= 5/2 - a/2