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9x + 3x + (-2² (x) 11 x
---------------------- = ---------- - --------
3³ 3³ 3²
8x 11 + 3 (-x)
------- = -----------------
3³ 3³
8x 11 - 3x
------- = -------------
3³ 3³
11x = 11
x = 11/11
x = 1
Respuesta :
x = 1