document.write( "Question 909199: The sides of an equilateral triangle are given as y+5 , 2x-7 and x+y-9 respectively. Find the lengths of the sides. \n" ); document.write( "
Algebra.Com's Answer #551670 by swincher4391(1107)\"\" \"About 
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y+5 = x+y-9\r
\n" ); document.write( "\n" ); document.write( "5 = x - 9\r
\n" ); document.write( "\n" ); document.write( "x = 14\r
\n" ); document.write( "\n" ); document.write( "2(14) - 7 = y+5\r
\n" ); document.write( "\n" ); document.write( "21 = y+5\r
\n" ); document.write( "\n" ); document.write( "y = 16\r
\n" ); document.write( "\n" ); document.write( "16 +5 = 21\r
\n" ); document.write( "\n" ); document.write( "2(14) -7 = 21\r
\n" ); document.write( "\n" ); document.write( "14+16-9 = 21\r
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\n" ); document.write( "\n" ); document.write( "All the sides are 21.\r
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