Matematika

Pertanyaan

150x - (-6y) + z - 14z + (-20x) + 9y

1 Jawaban

  • 150x - (-6y) + z - 14z + (-20x) +9y
    = 150x + (-20x) - (-6y) + 9y + z - 14z
    = 130x + 15y - 13z

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