Miachurxh Miachurxh

18-05-2017
Mathematics

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The angles of a triangle are 80°, 2x+ 2° And 5X degrees. What is the value of x?

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18-05-2017

Since the angles add to 180 degrees, set up an equation.
80 + 2x + 2 + 5x = 180
Combine like terms
7x + 82 = 180
subtract 82 from both sides
7x = 98
divide both sides by 7
x = 14

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