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a contractor uses the expression 7(x+3) to find the lenght,in feet,of chain that he needs for a certain project. Part A the contractor needs four chains that are this lenght.What is the total lenght of
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a contractor uses the expression 7(x+3) to find the lenght,in feet,of chain that he needs for a certain project. Part A the contractor needs four chains that are this lenght.What is the total lenght of all of the chains?

User Jay Teli
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given that x is the number of chains;

7(4+3) = 7 * 7 = 49 feet
User Adil Soomro
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