Answer: x= 5/2
Step-by-step explanation::)
<em><u>Answer:</u></em>
<em>A≈482.84in²</em>
<em />
<u><em>Step(s) of Explanation:</em></u>
N/A
<em />
Start with

Add 2x to both sides:

Subtract 21 from both sides:

Divide both sides by 5. Since it is positive, we don't have to change the inequality sign:

So, the answer is 
Answer:
x=9
Step-by-step explanation:
The answer would be A. Hope this helped! :)