Respuesta :

rapperkid15

Answer:

I think 12.2

Step-by-step explanation:

58+(8x-18)+(4x-4) = 180

58+(-18-4)+(8x+4x) = 180

58-22+8x+4x = 180

58-22+12x = 180

36+12x = 180     1. -36 on both sides

12x = 146           2. / 12 on both sides

x = 12.2

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