Respuesta :

(180-5x)+(180-6x)+(180-(x+16))+(180-(3x-1)) = 360

180+180+180+180-5x-6x-x-16-3x+1 = 360
345-15x = 0
345=15x
so x = 345/15 = 23

Answer:

23.42

Step-by-step explanation:

> x + 16 + 6x = 180

> 7x = 180-16

> 7x = 164

> x = 23.42

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