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4 September, 13:47

A bag contains yellow marbles and green marbles, 38 in total. The number of yellow marbles is 6 less than 3 times the number of green marbles. How many yellow marbles are there?

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  1. 4 September, 16:45
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    3n - 6 = 38

    3n - 6 + 6 = 38 + 6

    3n = 44

    3n/3 = 44/3

    n = 44/3

    Step-by-step explanation:

    1. set up the equation (the - affect the 6 not the 3)

    2. add 6 to both sides

    3. divide both sides by 3 to get n
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