document.write( "Question 822381: what is 85+89+86+x=90 \n" ); document.write( "
Algebra.Com's Answer #494806 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
It is probably a mistake
\n" ); document.write( "You probably want an average.
\n" ); document.write( "(85+89+86+x)/4=90
\n" ); document.write( "x=100
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