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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 nine

Write the following using algebraic notation, using the letter x for any unknown numbers: I think of a number, double it, then add nine
asked 211k views
4 votes
Write the following using algebraic notation, using the letter x for any unknown numbers: I think of a number, double it, then add nine

asked
User Rafael Companhoni
by
7.5k points

1 Answer

5 votes

Answer:

2x+9

Explanation:

You think of a number: x

Double it: 2*x=2x

Add 9: 2x+9

answered
User Gunjan Aggarwal
by
8.1k points
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