document.write( "Question 499758: The perimeter of an equilateral triangle is 7 inches more than the perimeter of a square, and the side of the triangle is 5 inches longer than the side of the square. Find the side of the square. \n" ); document.write( "
Algebra.Com's Answer #337840 by MRperkins(300)\"\" \"About 
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Let the Perimeter of the square be P=4s
\n" ); document.write( "Then the Perimeter of the triangle is P+7=3(s+5)
\n" ); document.write( "Substitute
\n" ); document.write( "4s+7=3(s+5)
\n" ); document.write( "4s+7=3s+15
\n" ); document.write( "s=8
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