document.write( "Question 665143: The sum of a certain number and 13 is 30.what is the number? \n" ); document.write( "
Algebra.Com's Answer #413681 by Alan3354(69443)\"\" \"About 
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The sum of a certain number and 13 is 30.what is the number?
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\n" ); document.write( "number + 13 = 30
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