Honestly this problem you can use both x and y but x tends to be the easier one to use and i would use the first equation because it is easier to solve because all the numbers are even.<span />
The <em>echo</em> number 20222022202220222022 is the <em>perfect</em> square of 4496890281.
<h3>What echo number is a perfect square</h3>
An <em>echo</em> number has a <em>perfect</em> square if its square root is also a <em>natural</em> number. After some iterations we found that <em>echo</em> number 20222022202220222022 is a <em>perfect</em> square:

The <em>echo</em> number 20222022202220222022 is the <em>perfect</em> square of 4496890281. 
To learn more on natural numbers, we kindly invite to check this verified question: brainly.com/question/17429689
Answer:
Draw line going through points (6,0) and (0,3)
Step-by-step explanation:
Equation: y=3-1/2x
Point I: (6,0)
Take y as 0, x=6.
Point II: (0,3)
Take x as 0, y=3.
Answer:
-5, -7, -4, -6, -10
Step-by-step explanation:
Hope this helps!