Question

What is the perimeter of a rectangle whose width is (x - 7) units and whose length is (3x + 10) units?​

Answer 1

Answer:

The answer is "(8x + 6) units".

Step-by-step explanation:

Formula of perimeter is:

$\to \bold{P=2 \text{(Length +width)} }$

       $=2((3x+10)+(x-7))\\\\=2(4x+3)\\\\= 8x+6$