document.write( "Question 43670: is 42 the right answer for this?\r
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Algebra.Com's Answer #28662 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
YES THE PROOF IS YOU FACTOR THE TWO NUMBERS THUS 2*7 & 3*7 7 BEING COMMON TO BOTH NUMBERS YOU USE IT ONLY ONCE WHEN MULTIPLYING ALL OTHER FACTORS THUS
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