The width of a rectangle is 3 cm less than twice its length. If the perimeter of the rectangle is 18 cm, find its dimensions.

length=4

Width=2×4-3=5

Step-by-step explanation:

Let length =X

Width =2x-3

Perimeter=18

2(length+width)=18

2(X+2x-3)=18

3x-3=9

3x=12

X=12/3

X=4

So length=4

Width=2×4-3=5

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☯ Question :

☯ Step - by - step explanation :

✒ First, Let length of a rectangle be ' L '.

✑ Given :

☞ Finding value of length of a rectangle :

Plug the values and solve for L

➺

➺ { Add : 2L and L )

➺ { Distribute 2 through the parentheses )

➺ { Swipe the sides of the equation }

➺ { Move 6 to right hand side and change it's sign )

➺ { Add the numbers : 18 and 6 }

➺ { Divide both sides by 6 }

➺

☞ Now , Evaluating 2L - 3 when L = 4 cm in order to find the value of width of a rectangle :

➺ { Plug the value of length }

➺ { Multiply 2 by 4 }

➺

Hence ,

Hope I helped!

Have a wonderful day! ツ

~TheAnimeGirl ♡

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step-by-step explanation:

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step-by-step explanation: