Answer:
=>(4x+14)+(5x-1)+(4x-5)+(2x+7) = 360°
=>4x + 14 + 5x - 1 + 4x - 5 + 2x +7 = 360°
=>15x + 15° = 360°
=>15x = 360°- 15°
=>x = 345/15
=>x = 23
So move to K
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