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The perimeter of a rectangular picture frame can be represented by the expression 6x,where x is one of the side lengths. Rewrite the expression as the sum of the four side lengths.

User Seferov
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Perimeter is formed by 4 side lengths.

Divide perimeter in 4 parts

x= side length

P = 6x = x + x + 4x

then length of the other sides lengths is= 2x

So then ANSWER IS

P= x + x + 2x + 2x

User Mivaweb
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