Matematika

Pertanyaan

5x-6y+8z+(7x-9z) -(2y+9z-10)

1 Jawaban

  • 5x-6y+8z+(7x-9z) -(2y+9z-10)
    =5x-6y+8z+7x-9z-2y-9z+10
    =5x+7x-6y-2y+8z-9z-9z+10
    =12x-8y-10z+10

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