Matematika

Pertanyaan

(3×-4y+2×-7+5y+8)=
(4×+3y-2y+7-5y-8)=

1 Jawaban

  • a. (3x-4y+2x-7+5y+8)
    =3x+2x-4y+5y-7+8
    =5x+y+1

    b.(4x+3y-2y+7-5y-8)
    =4x+3y-2y-5y+7-8
    =4x-4y-1

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