SOLUTION: Write an absolute-value equation that has 9 and 21 as its solution.

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Question 57263This question is from textbook Algebra I Concepts and Skills
: Write an absolute-value equation that has 9 and 21 as its solution. This question is from textbook Algebra I Concepts and Skills

Answer by aaaaaaaa(138) About Me  (Show Source):
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9 and 21 differ by 12. Sinxe half of 12 is 6, we want the absolute value part to result in the values 6 and -6 in the equation:
abs%28x-15%29+=+6