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What is the solution to the equation 7(a – 10) = 13 – 2(2a + 3)?
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Asked 10/8/2013 7:10:45 AM
Updated 6/27/2014 11:46:31 PM
1 Answer/Comment
Flagged by andrewpallarca [6/27/2014 11:46:31 PM]
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User: What is the solution to the equation 7(a – 10) = 13 – 2(2a + 3)?

User: Sandra makes and sells bracelets. It costs her $2 to make each bracelet, plus a one-time cost of $15 for supplies. She plans to sell each bracelet for $5. Let x represent the number of bracelets. Which equation can be used to find the number of bracelets she needs to sell to break even?

Question
Asked 10/8/2013 7:10:45 AM
Updated 6/27/2014 11:46:31 PM
1 Answer/Comment
Flagged by andrewpallarca [6/27/2014 11:46:31 PM]
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3
7(a – 10) = 13 – 2(2a + 3);

7a - 70 = -4a + 7

7a + 4a = 7 + 70;

11a = 77;

a = 77/11;

a = 7
Added 6/27/2014 11:46:30 PM
This answer has been confirmed as correct and helpful.
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