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The width of a rectangle is x cm . If the length is 3cm longer then how long is the length and perimeter in terms of x?

What is the length in terms of x  and what is the perimeter in terms of x 

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Ishwar S. | University Professor - General and Organic ChemistryUniversity Professor - General and Organ...
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Hello Chloe
 
W = x
L = W + 3 = x + 3
 
Perimeter, P = 2(L + W)
 
P = 2(x + 3 + x)
 
P = 2(2x + 3)
 
P = 4x + 6