SOLUTION: In triangle EFG, m < e = 2x, m < f = x+10 and m < G = 2x-30. Solve for x

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Question 1150990: In triangle EFG, m < e = 2x, m < f = x+10 and m < G = 2x-30. Solve for x
Answer by ikleyn(52887) About Me  (Show Source):
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Use the fact that the sum of interior angles of any triangle is equal to 180 degrees.


It gives you an equation


    2x + (x+10) + (2x-30) = 180.


Solve for x.