document.write( "Question 804205: 8 scores have an average of 6, adding scores of 15 and x make the average 7, what is x \n" ); document.write( "
Algebra.Com's Answer #484663 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! (8*6+15+x)/10=7\r \n" ); document.write( "\n" ); document.write( "(8*6+15+x)=70 \n" ); document.write( "48+15+x=70 \n" ); document.write( "x=7 \n" ); document.write( " \n" ); document.write( " |