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OpenStudy (anonymous):
A triangle has one side that measures x, another side that measures 2x, and a third side that measures 5 less than x. The perimeter is 31 inches. Which equation would you use to find the value of x? x+ 2x+x- 5 = 31 x+ 2x+x+ 5 = 31 x+ 2x-x- 5 = 31 x+ 2x-x+ 5 = 31
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OpenStudy (anonymous):
sum of sides = perimeter
OpenStudy (anonymous):
I think its x+ 2x-x- 5 = 31
OpenStudy (anonymous):
nah, the sides are x, 2x and x-5
OpenStudy (anonymous):
could u add them?
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