Edit: Nevermind! After rereading it and making some equations, I got it now! Thank you

Hi, how are you doing? I think that exact question was answered here:

https://web2.0calc.com/questions/algebra-problem_37

O(∩_∩)O

Hi! Perimeter is the distance outside of a shape, so all you have to do is add each side up! (15+27+21) Hope this helps you understand it a bit better

Thanks for your clear explanation again :) Thank you!!

Yeah, I joined yesterday! Thank you Melody :D

Edit: Nevermind, I got it now! All I had to do was change the signs (+ to -) and - to +! Thank you so much for your help!!

Hello! Thank you for your great explanation! It really helped me understand this better! However, the question said that it was wrong because it wants the format to be in a > or >= format. How would I change x+3y+8<=0 to >=? Thank you so much again!