document.write( "Question 552949: What is the average (arithmetic mean) of 4x + 5, 7x-6,and -8x+2? \n" ); document.write( "
Algebra.Com's Answer #360619 by jim_thompson5910(35256) ![]() You can put this solution on YOUR website! Mean = [(4x + 5)+(7x-6)+(-8x+2)]/3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Mean = [4x + 5+7x-6-8x+2]/3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Mean = [(4x+7x-8x) + (5-6+2)]/3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Mean = (3x+1)/3 \n" ); document.write( " |