Phillip has x marbles. His father gave him 2 times the number of marbles he has. Now he has 21. How many marbles did Phillip have before?

asked Dec 26, 2021 125k views

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5 votes

Answer:

7 marbles

Explanation:

Let the number of marbles he had be x

ie. X + 2X =21

3X=21

X=21/3=7

Derreck Dean answered Dec 31, 2021

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