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if the width is A then A + A + 2(2A + 4) = 86

A + A + 4A + 8 = 86

6A = 78

A = 13 width = 13

length = 30 to check if right

perimeter is 2 x length + 2 x width

(2 x 30) + (2 x 13)

86

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Q: The length of a rectangle is 4cm more than twice its width The perimeter is 86cm Find the width and length?
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