x:y =5:3 dan 4x-3y =44
Matematika
ayurhiana
Pertanyaan
x:y =5:3 dan 4x-3y =44
1 Jawaban
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1. Jawaban Anonyme
x/y = 5/3
4x - 3y = 44
4x - 3.3/5 x = 44
4x - 9/5 x = 44
(4 - 9/5)x = 44
(20 - 9)/5 x = 44
11/5 x = 44
x = 5 × 44/11
x = 5 × 4
x = 20
y = 3/5 x
y = 3/5 × 20
y = 3 × 4
y = 12