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The length of a rectangular piece of steel in a bridge is 4 meters less than the triple the width. The perimeter of the piece of steel is 40 meters. Find the length of the piece of steel. Find the width of the piece of steel.

User Kryptman
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solution in photo and i hope it was helpful
The length of a rectangular piece of steel in a bridge is 4 meters less than the triple-example-1
User Carbontwelve
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