document.write( "Question 935930: A contractor uses the expression 7(x+3) to find the length in feet of chains that he needs for a certain project. The contractor needs four chains that are this length. What is the total length of all of the chains?
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Algebra.Com's Answer #569305 by TimothyLamb(4379)\"\" \"About 
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4*7(x + 3)
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