Matematika

Pertanyaan

Bantuin ya !
1. 1/2 (4x-5) = 1/4 x + 3 1/2
2. 3/4 X (x+4) - 2/3 (3/4 -x) = 1/2

1 Jawaban

  • 1) 1/2 (4x-5) = 1/4x + 31/2
    2x-5/2 = 1/4x+31/2
    2x-1/4x = 31/2+5/2
    8x-x = 62+10
    7x = 72
    x = 72/7
    x = 8

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