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write the following using algebraic notation, using the letter x for any unknown numbers. i think of a number, double it, then add 9
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write the following using algebraic notation, using the letter x for any unknown numbers. i think of a number, double it, then add 9

User Mtomy
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5 votes

Answer:

2x+9

Explanation:

I hope this helps :)

User Snoob Dogg
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