document.write( "Question 731586: The length of a square is 2x-5 and the length of a rectangle is 2x and the width measures x+2. For what value of x is the perimeter of the square the same as the perimeter of the rectangle? \n" ); document.write( "
Algebra.Com's Answer #447191 by MathLover1(20850)\"\" \"About 
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if the length of a square is \"2x-5\", then \"P%5Bs%5D=4%282x-5%29\"\r
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\n" ); document.write( "\n" ); document.write( " and if the length of a rectangle is \"L=2x\" and the width measures \"W=x%2B2\"\r
\n" ); document.write( "\n" ); document.write( "then \"P%5Br%5D=2%2A2x%2B2%28x%2B2%29\"...=>.. \"P%5Br%5D=4x%2B2%28x%2B2%29\"\r
\n" ); document.write( "\n" ); document.write( "if \"P%5Bs%5D=P%5Br%5D\", then\r
\n" ); document.write( "\n" ); document.write( "\"4%282x-5%29=4x%2B2%28x%2B2%29\".....solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"8x-20=4x%2B2x%2B4\"\r
\n" ); document.write( "\n" ); document.write( "\"8x-20=6x%2B4\"\r
\n" ); document.write( "\n" ); document.write( "\"8x-6x=20%2B4\"\r
\n" ); document.write( "\n" ); document.write( "\"2x=24\"\r
\n" ); document.write( "\n" ); document.write( "\"x=24%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"x=12\"\r
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\n" ); document.write( "\n" ); document.write( "so, the length of a square is \"2x-5\"..=>..\"2%2A12-5\"..=>..\"19\"\r
\n" ); document.write( "\n" ); document.write( "the length of a rectangle is \"L=2x\" ..=>..\"L=24\"\r
\n" ); document.write( "\n" ); document.write( "and the width measures \"W=x%2B2\"..=>..\"W=14\"\r
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\n" ); document.write( "\n" ); document.write( "check if perimeters are same:\r
\n" ); document.write( "\n" ); document.write( "square\r
\n" ); document.write( "\n" ); document.write( "\"P%5Bs%5D=4%282x-5%29\".....=>..\"P%5Bs%5D=4%282%2A12-5%29\"....=>..\"P%5Bs%5D=4%2A19\"..=>..\"P%5Bs%5D=76\"\r
\n" ); document.write( "\n" ); document.write( "rectangle\r
\n" ); document.write( "\n" ); document.write( "\"P%5Br%5D=4x%2B2%28x%2B2%29\"....=>...\"P%5Br%5D=4%2A12%2B2%2812%2B2%29\"...=>...\"P%5Br%5D=48%2B2%2814%29\"
\n" ); document.write( "..=>...\"P%5Br%5D=48%2B28\".=>...\"P%5Br%5D=76\"\r
\n" ); document.write( "\n" ); document.write( "so, \"P%5Bs%5D=P%5Br%5D\" and \"highlight%28x=12%29\" is your answer
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