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)\"\" \"About 
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(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
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