SOLUTION: perimeter is 84 meters length is 6 meters longer than 2 times the width what are the dimensions?

Algebra ->  Rectangles -> SOLUTION: perimeter is 84 meters length is 6 meters longer than 2 times the width what are the dimensions?       Log On


   

Question 322563: perimeter is 84 meters
length is 6 meters longer than 2 times the width
what are the dimensions?
Answer by QH(50) About Me  (Show Source):
You can put this solution on YOUR website!
Width= X
Length= 2X+6
Perimeter= 84
P=2L+2W
84=2(2x+6)+2(x)
84=4x+12+2x
84=6x+12
84-12=6x
72/6=x
(X)=12(Width)
(2X+6)=30 (Length)
*check*
84=2(30)+2(12)
84=60+24
84=84