document.write( "Question 639197: blank + blank + blank = 21 lb.\r
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Algebra.Com's Answer #402628 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Depends. Do all three of your blanks have the same value or is there some other relationship?\r
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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\"The

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