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Accepted Answer

### Problem 5:
# Explanation:
## Step1: Let the unknown number be $ x $, so $ x + 26 = 8 $
## Step2: Solve for $ x $ by subtracting 26 from both sides: $ x = 8 - 26 $
$ x = -18 $
# Answer: $-18$

### Problem 6:
# Explanation:
## Step1: Let the unknown number be $ x $, so $ 7.8 + x = 9.2 $
## Step2: Solve for $ x $ by subtracting 7.8 from both sides: $ x = 9.2 - 7.8 $
$ x = 1.4 $
# Answer: $1.4$

### Problem 7:
# Explanation:
## Step1: Let the unknown number be $ x $, so $ x + 0.3 = 3.1 $
## Step2: Solve for $ x $ by subtracting 0.3 from both sides: $ x = 3.1 - 0.3 $
$ x = 2.8 $
# Answer: $2.8$

### Problem 8:
# Explanation:
## Step1: Let the unknown number be $ x $, so $ x + 5.6 = 8.3 $
## Step2: Solve for $ x $ by subtracting 5.6 from both sides: $ x = 8.3 - 5.6 $
$ x = 2.7 $
# Answer: $2.7$

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QUESTION IMAGE

Question

Explanation:

Problem 5:

Step1: Let the unknown number be \( x \), so \( x + 26 = 8 \)

Step2: Solve for \( x \) by subtracting 26 from both sides: \( x = 8 - 26 \)

Step1: Let the unknown number be \( x \), so \( 7.8 + x = 9.2 \)

Step2: Solve for \( x \) by subtracting 7.8 from both sides: \( x = 9.2 - 7.8 \)

Step1: Let the unknown number be \( x \), so \( x + 0.3 = 3.1 \)

Step2: Solve for \( x \) by subtracting 0.3 from both sides: \( x = 3.1 - 0.3 \)

Answer:

Problem 6: