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Verified answer
3x = 0,2 yx = 0,2/3 y
7x + 2y = 7(0,2/3 y) + 2y
= 1,4/3 y + 2 y
= 7,4/3 y
= 2,467 y
= 2,47 y
= 2,5 y (pembulatan 1 desimal)
7x+2y=74y/30
Kalau patokannya X maka
7x+2y=37x
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