For this case we have that by definition, the area of a rectangle is given by:

Where:
w: Is the width of the rectangle
l: is the length of the rectangle
According to the data of the statement we have:

So, the length is given by:

We factor the numerator:

We simplify:

So, the length is 
Answer:

Answer:
x = 4
Step-by-step explanation:
11x - 7x = 16
11x - 7x = 4x
16 divided by 4 = 4x
im sorry but i know x=6 if that helps