Pregunta
Write an algebraic expression for "the sum of a number and three
Ask by Hall Rogers. in the United States
Jan 22,2025
Solución de inteligencia artificial de Upstudy
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The algebraic expression is \( x + 3 \).
Solución
To represent "the sum of a number and three" algebraically, you can use a variable (commonly \( x \)) to represent the unknown number.
**Algebraic Expression:**
\[ x + 3 \]
**Explanation:**
- **\( x \)** represents the unknown number.
- **\( + 3 \)** signifies that you are adding three to that number.
So, if the number is \( x \), the sum of the number and three is \( x + 3 \).
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Simplifique esta solución Extra Insights
To express "the sum of a number and three" algebraically, you start by representing the unknown number with a variable, commonly "x." Therefore, the expression becomes x + 3. It’s a simple yet powerful way to summarize the relationship between an unknown quantity and a constant! Now, consider this: in real life, you can apply this expression to various situations! For instance, if you were planning to buy x number of apples and wanted to know the total cost if each apple costs $3, you could represent that situation as x + 3, where you add 3 for every additional item. Using algebra can often make everyday budgeting a breeze!
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