Matematika

Pertanyaan

Selesaikanlah persamaan nilai mutlak |2x-3|+15=20

1 Jawaban

  • |2x-3|+15=20
    <=> 2x-3 = 20-15
    <=> 2x-3 = 5
    <=> 2x = 5+3
    <=> 2x = 8
    <=> x = 8:2
    <=> x = 4

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