Question

A triangle has a perimeter of 32 inches. The medium side is 7 more than the short side, and the longest side is 3 times the length of the shortest side. Find the shortest side.
32=s+m+l
m=s+7
l=3s
32=s+m+l
32=s+s+7+3s
32=5s+7
-7 -7
25/5s=5s/5s
5=s

Answer 1

Is this right

Answer 2

https://www.jiskha.com/questions/1757694/A-triangle-has-a-perimeter-of-32-inches-The-medium-side-is-7-more-than-the-short