Question: Show the factorization and solve. 9x 1 + 6x 2 + 12x 3 = 17.4 6x 1 + 13x 2 + 11x 3 = 23.6

Show the factorization and solve.

  9x1 +    6x2 + 12x3 = 17.4
  6x1 + 13x2 + 11x3 = 23.6
12x1 + 11x2 + 26x3 = 30.8

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