SOLUTION: Please help me solve Find the width of the following rectangle if the perimeter is 54 feet L=16ft W=x+3

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Question 739900: Please help me solve
Find the width of the following rectangle if the perimeter is 54 feet
L=16ft
W=x+3
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

the perimeter is P=2L%2B2W
if the perimeter is P=54ft
L=16ft and
W=x%2B3, then
54=2%2A16%2B2%28x%2B3%29

54=32%2B2x%2B6
54-32-6=2x
16=2x
16%2F2=x
8=x
then W=x%2B3=>W=8%2B3=>W=11