what is th vaule of n 927plus 231-28=n
243 + 62 - 28 = nn = 305 - 28n = 277
9 × 27 + 2 × 31 - 28 = n9 × 27 + 2 × 31 - 28 =243 + 2 × 31 - 28 =243 + 62 - 28 = 305 - 28 =277n = 277
