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4 3 2y 15 7y bantu jwb yaa pake cara

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Penjelasan dengan langkah-langkah:

4(3–2y)=15+7y

12 – 8y = 15 + 7y

-8y – 7y = 15 – 12

-15y = 3

y = -3/15

y = -1/5

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