•kardus 6 kotak kelereng + 15 kelereng= 45 kelereng
•berapa kah 1 kardus
kardus = x
6x + 15 = 45
6x= 45 - 15
6x = 30
x = 5
tiap kardus ada 5 buah kelereng
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•kardus 6 kotak kelereng + 15 kelereng= 45 kelereng
•berapa kah 1 kardus
kardus = x
6x + 15 = 45
6x= 45 - 15
6x = 30
x = 5
tiap kardus ada 5 buah kelereng