Question

The expressions 4x -3y and y + 2x represent the lengths of two sides of a triangle. The perimeter of the triangle is 9x +2. Determine the length of the third side.​

Answer 1

3x+4y

Explanation:

4x -3y and y + 2x =

4x -3y

2x +y

---------

6x-2y

9x +2y

-(6x-2y)

9x +2y

- 6x+2y

-----------

3x+4y