document.write( "Question 951143: In triangle ABC, D is the midpoint of line AB and E is the midpoint of line BC. If AC= 3x-15 and DE= 6, what is the value of x? \n" ); document.write( "
Algebra.Com's Answer #580813 by edjones(8007)![]() ![]() You can put this solution on YOUR website! The triangles ABC and DEB are similar. The sides of ABC are twice as long as DEB. \n" ); document.write( "3x-15=2*6 \n" ); document.write( "3x-15=12 \n" ); document.write( "3x=27 \n" ); document.write( "x=9 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |