All the sides are 20 cm resulting in the perimeter being 80
Answer:
= 
Step-by-step explanation:
<u><em>Explanation:-</em></u>
Given that

= 
= 
= 
= 
Answer: -5x-8y=-5
Step-by-step explanation:
add right sides of equation and even them with result of adding right sides of equation
4x-4y-9x-4y=-2-3
-5x-8y=-5
I haven’t taken geometry in a couple years, so I hope this is right. I’m so sorry if it’s not!!
X= 91
Y= 62
Z= 45