If i triple my number and add 5,i get 17 .what is my number

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m

Collin did the work to see if 10 is a solution to the equation r/4=2.4

7+(3n++8) what is the answer to this?