document.write( "Question 1042834: What is 3x+y=? \n" ); document.write( "
Algebra.Com's Answer #657886 by josgarithmetic(39617)\"\" \"About 
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Only a variable expression. You could evaluate it as a value IF x and y are either given or found using other given information. You would substitute their values if known and then compute. \n" ); document.write( "
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