Answer:

Step-by-step explanation:
Perimeter of a square:
The perimeter of a square of side x is given by:

Perimeter of a rectangle:
The perimeter of a rectangle of length l and width w is given by:

The length of the sides of a square measure 2x-5.
This means that the perimeter of the square is:

The length of a rectangle measures 2x, and the width measures x + 2.
This means that the perimeter of the rectangle is:

For what value of x is the perimeter of the square the same as the perimeter of the rectangle?
This is x for which:

So





Answer:
It's true
Step-by-step explanation:
I hope it helps you
Answer:
Multiple the first equation by -1
Step-by-step explanation:
After doing this you add the two equations together and follow the systems of equations as normal

Therefore y = 2