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write the following using algebraic notation, using the letter x for any unknown numbers: i think of a number, multiply it by two, then subtract 9

 May 10, 2020
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I think of a number.

mmm I chose 8

 

I multiply it by 2  so that is    2*8

 

I subtract 9 so that is           2*8-9

 

Now I do the same thing only I let the number I choose be x.   Try it.

 

(You have to just pretend that x is a number)

 May 10, 2020
edited by Melody  May 10, 2020

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