document.write( "Question 82140: The perimeter of an isosceles triangle is 37 inches. the lenghts of the two equal legs are 6 inches less than 3 times the length of the base. find the lengths of the three sides. \n" ); document.write( "
Algebra.Com's Answer #58853 by checkley75(3666)\"\" \"About 
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SIDES=3B-6
\n" ); document.write( "2(3B-6)+B=37
\n" ); document.write( "6B-12+B=37
\n" ); document.write( "7B=37+12
\n" ); document.write( "7B=49
\n" ); document.write( "B=49/7
\n" ); document.write( "B=7 in. FOR THE BASE LENGTH,
\n" ); document.write( "SIDE=3*7-6
\n" ); document.write( "SIDE=21-6
\n" ); document.write( "SIDE=15 in.
\n" ); document.write( "PROOF
\n" ); document.write( "2*15+7=37
\n" ); document.write( "30+7=37
\n" ); document.write( "37=37
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