Answer:
-23x+1
Step-by-step explanation:
91-14x - (9x+90)
91-14x-9x-90
-23x+1
For this case we have that by definition, the perimeter of a rectangle is given by:

Where:
l: It is the length of the rectangle
w: It is the width of the rectangle
According to the image we have:

So, rewriting the perimeter expression we have:

Applying distributive property to the terms within parentheses we have:

Answer:
The perimeter of the rectangle is: 
500%=0.5 which is equal to 1/2 so the answer is 1/2
Answer:
5x-1y-11y
Step-by-step explanation:
3x+4y-3xy+5x+3y-2xy-2x+y-3xy+10x-9y-8xy
2x+5x+4y+3y-3xy-2xy-2x+10x+y-9y-3xy-8xy
7x+7y-5xy-12x-8y-11xy
7x-12x+7y-8y-11xy
-5x-1y-11xy