Choose a variable to represent one of the unknowns. Express the remaining unknowns in terms of the variable you chose in step 1. Look for a relationship between the unknowns given in the problem.
Write an equation. (Look for the other relationship given in the problem.)
Two sides of a triangle are equal in length and double the length of the shortest side. The perimeter of the triangle is 35 inches.

Include the entire process for establishing a set of equations, the solution, and an explanation of what the solution means in terms of the variables. Complete your work in the space provided.