Matematika

Pertanyaan

jika
[tex]5(x + 8) + 2 = 57[/tex]
tentukan nilai
[tex]4x - 3 [/tex]

1 Jawaban


  • [tex]5(x + 8) + 2 = 57 \\ 5x + 40 + 2 = 57 \\ 5x + 42 = 57 \\ 5x = 15 \\ x = 3 \\ \\ 4x - 3 = 4(3) - 3 = 9[/tex]

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