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Mathematics 11 Online
OpenStudy (icalibear):

The measures of two of the sides of an equilateral triangle are 3x + 15 in. and 7x - 5 in. What is the measure of the third side in inches? (I have the answer I'm just checking it)

OpenStudy (anonymous):

if it is equilateral, that means all sides are the same length so \(3x+15=7x-5\) which gives \(x=5\) and so all sides are 30

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