Answer:

Step-by-step explanation:
First, we need to isolate
by taking it common from both terms on the right:

Now, since we want
in terms of the other variables, we can divide the left hand side (A) by whatever is multiplied with
on the right hand side. Then we will have an expression for
. Shown below:

This is the xpression for 
Answer:
<h2>25%</h2>
Step-by-step explanation:
The profit = 150 000 - 120 000 = 30 000
………………………………………………………
The profit percentage is :

I think it's the second answer
Hope this helps :)
Answer:
Zero solutions.
Step-by-step explanation:
4x - 8 - 4x = 9
-8 = 9
No solutions.