document.write( "Question 714641: What's 5+r+7 \n" ); document.write( "
Algebra.Com's Answer #438926 by jim_thompson5910(35256)\"\" \"About 
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The like or common terms are 5 and 7. They add to 5+7 = 12\r
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\n" ); document.write( "\n" ); document.write( "So 5+r+7 is the same as r+12
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