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Find the value of x in the triangle.
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Find the value of x in the triangle.

Find the value of x in the triangle.-example-1
User Smozgur
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= > 3x + 15 + 4x + 12 = 180 \\ = > 7x + 27 = 180 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ = > \: 7x = 180 - 27 = 153 \: \: \: \: \\ x = (153)/(7) = 21 \\ x = 21

User Ttrasn
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