document.write( "Question 325185: The Perimeter of a Triangle is 42 inches the second side is 1 inch more than twice the first side and the third side is 1 inch less than 3 times the first side. Find the lengths of the 3 sides of the triangle.\r
\n" );
document.write( "\n" );
document.write( "I need an inequality set up.
\n" );
document.write( "P=42
\n" );
document.write( "would my inequality be: x>1(2x + side 1) x>1(3x side 1)??
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #232913 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! S2=2*S1+1 \n" ); document.write( "S3=3*S1-1 \n" ); document.write( "P=S1+S2+S3 \n" ); document.write( "42=S1+2*S1+1+3*S1-1 \n" ); document.write( "42=6*S1 \n" ); document.write( "S1=42/6 \n" ); document.write( "S1=7 ANS. FOR S1. \n" ); document.write( "S2=2*7+1=14+1=15 ANS FOR S2. \n" ); document.write( "S3=3*7-1=21-1=20 ANS. FOR S3. \n" ); document.write( "PROOF: \n" ); document.write( "42=7+15+20 \n" ); document.write( "42=42 \n" ); document.write( " |