Write a related addition sentence. 13-z= 7 A related addition sentence is (Type the equation without blank spaces.)

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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### Topic: Understanding Related Sentences in Mathematics

In mathematics, understanding how addition and subtraction sentences relate to each other is essential for building a strong foundation in arithmetic operations. This example will guide you through transforming a subtraction equation into an equivalent addition equation.

#### Example:

**Prompt: Write a related addition sentence.**

Given equation:
\[ 13 - z = 7 \]

You need to convert this subtraction equation into an addition equation.

**Step-by-Step Process:**

1. **Identify the original equation:** 
   \[ 13 - z = 7 \]

2. **Rewrite the subtraction as addition:** 
   To transform the equation from subtraction to addition, you need to add \(z\) to both sides of the equation to solve for \(z\).

   \[ 13 = 7 + z \]

Hence, the related addition sentence is:
\[ 13 = 7 + z \]

On an educational website, this prompt and example can help students to practice and understand how subtraction equations can be rewritten as addition equations, emphasizing the relationship between these operations.

#### Practice Exercise

**Transform the following subtraction equations into addition equations:**

1. \(10 - x = 4\)
2. \(15 - y = 9\)
3. \(20 - a = 5\)

By practicing these transformations, students can reinforce their understanding of the relationship between addition and subtraction.
Transcribed Image Text:### Topic: Understanding Related Sentences in Mathematics In mathematics, understanding how addition and subtraction sentences relate to each other is essential for building a strong foundation in arithmetic operations. This example will guide you through transforming a subtraction equation into an equivalent addition equation. #### Example: **Prompt: Write a related addition sentence.** Given equation: \[ 13 - z = 7 \] You need to convert this subtraction equation into an addition equation. **Step-by-Step Process:** 1. **Identify the original equation:** \[ 13 - z = 7 \] 2. **Rewrite the subtraction as addition:** To transform the equation from subtraction to addition, you need to add \(z\) to both sides of the equation to solve for \(z\). \[ 13 = 7 + z \] Hence, the related addition sentence is: \[ 13 = 7 + z \] On an educational website, this prompt and example can help students to practice and understand how subtraction equations can be rewritten as addition equations, emphasizing the relationship between these operations. #### Practice Exercise **Transform the following subtraction equations into addition equations:** 1. \(10 - x = 4\) 2. \(15 - y = 9\) 3. \(20 - a = 5\) By practicing these transformations, students can reinforce their understanding of the relationship between addition and subtraction.
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