The lengths of the sides of a triangle are 3x, 5x-12, and x+ 20. Find the values of x that make the triangle isosceles. There are multiple answers for this question. Your solution should be a compound inequality.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
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ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
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Chapter3: Graphing Linear Functions
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The lengths of the sides of a triangle are 3x, 5x-12, and x+ 20. Find the values of x that make the triangle isosceles. There are multiple answers for this question. Your solution should be a compound inequality. 

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