I FOND YOUR COMPLETE QUESTION IN ANOTHER SOURCE. PLEASE SEE ATTACHED IMAGE.
The width of the rectangle in this case will be given by: w = x + 5 + x Rewriting: w = 2x + 5 The length of the rectangle will be given by: L = x + 10 + x Rewriting: L = 2x + 10 Answer: w = 2x + 5 L = 2x + 10