document.write( "Question 660478: a 2o ft board is cut into 2 pieces. Twice the length of the shorter piece is 4ft more than the length of the longer piece. Find the length of the shorter piece. \n" ); document.write( "
Algebra.Com's Answer #411246 by ReadingBoosters(3246)![]() ![]() ![]() You can put this solution on YOUR website! 20 = x + y \n" ); document.write( "x = shorter piece \n" ); document.write( "y = longer piece\r \n" ); document.write( "\n" ); document.write( "2x = 4 + y : rearrange as 2x - y = 4\r \n" ); document.write( "\n" ); document.write( "Add the second equation to the first \n" ); document.write( "x + 2x + y + -y = 20 + 4 \n" ); document.write( "3x = 24 \n" ); document.write( "3x/3 = 24/3 \n" ); document.write( "x = 8 ft is the shorter piece \n" ); document.write( " |