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23-06-2020
Mathematics

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write the following using algebraic notation, using x for unknown numbers i think of a number, multiply by two and add nine

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23-06-2020

Answer:

2x+9

Step-by-step explanation:

If you times x by 2, you get 2x. 2x and '+9' aren't like terms so you have to separate them. You will end up with 2x+9

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