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Kalo ga salah itu x nya 3 Cm, dari 9 cm - 6 cmMatematika
Bab 5 - Perbandingan dan Aritmatika Sosial
step 1 : menentukan nilai x
9 / (x + 10) = 6 / 10
9 x 10 = 6 (x + 10)
90 = 6x + 60
6x = 90 - 60
6x = 30
x = 30 / 6
x = 5