jika 1/4(x+10)=3/8(x-2)+5/8 maka nilai (x-9)
Matematika
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Pertanyaan
jika 1/4(x+10)=3/8(x-2)+5/8 maka nilai (x-9)
1 Jawaban
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1. Jawaban Nik001
Mapel : Matematika
Bab : SPLSV
1/4 (x + 10) = 3/8(x - 2) + 5/8
1/4x + 10/4 = 3/8x - 6/8 + 5/8
1/4x + 10/4 = 3/8x - 1/8
---------------------------------------- dikali 8
2x + 20 = 3x - 1
2x - 3x = -1 - 20
-x = -21
x = 21
x - 9 = 21 - 9
= 12