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Write the following phrase as a variable expression. Use to represent
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Q. Write the following phrase as a variable expression. Use to represent
- Identify key terms: Identify the key terms in the phrase. The phrase ＂the sum of a number and ＂ indicates an addition operation between an unknown number and the number .
- Choose variable: Choose a variable to represent the unknown number. We will use to represent ＂a number.＂
- Translate into expression: Translate the phrase into a mathematical expression. The word ＂sum＂ indicates addition, so we combine and with an addition sign between them.
- Write variable expression: Write the variable expression. The translation of the phrase ＂the sum of a number and three＂ using as the variable is .
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