Answer:
Celia made the first error in the Step 1
<h3><u>
Celia's error in step 1 is </u></h3>
Distribute Negative Start Fraction 3 over 8 End Fraction over the expression in parentheses. 

<h3><u>
The corrected step 1 is
</u></h3>
By using the distributive property
Step 1 

Step-by-step explanation:
Celia uses the equation is Negative Start Fraction 3 over 8 End Fraction (negative 8 minus 16 d) + 2 d = 24.
It can be written as
<h3>
Now Celia uses the steps below to solve the given equation :</h3>

Step 1 Distribute Negative Start Fraction 3 over 8 End Fraction over the expression in parentheses. 

Step 2 Simplify like terms 
Step 3 Subtract 3 from both sides of the equation 
Step 4 
Step 5 
Step 6 
Step 7 
<h3>The corrected steps are</h3>

By using the distributive property
Step 1

Step 2 Simplify the like terms 
Step 3 Subtract 3 from both sides of the equation 
Step 4 
Step 5 
Step 6
<h2>
Celia made the first error in the <u>
Step 1
</u>
Celia's error in step 1 is </h2>
Distribute Negative Start Fraction 3 over 8 End Fraction over the expression in parentheses. 

<h2><u>
The corrected step 1 is </u></h2>
By using the distributive property
Step 1 
