Question

Vanessa tried to solve an equation step by step. \qquad\begin{aligned} -12&=4(f-6)\\\\ \\ -12&=4f-24&\green{\text{Step } 1}\\\\ \\ 12&=4f&\blue{\text{Step } 2}\\\\ \\ 4&=f&\purple{\text{Step } 3}\\\\ \end{aligned} −12 −12 12 4 ​ =4(f−6) =4f−24 =4f =f ​ Step 1 Step 2 Step 3 ​ Find Vanessa's mistake

Answer 1

Answer:

STEP 3: f=4

Step-by-step explanation:

Given the steps to the solution of the given equation:

$\qquad\begin{aligned} -12&=4(f-6)\\ \\ -12&=4f-24&\green{\text{Step } 1}\\ \\ 12&=4f&\blue{\text{Step } 2}\\ \\ 4&=f&\purple{\text{Step } 3}\\ \end{aligned}$

Given Steps 1 to 3 above, Vanessa wrongly calculated the division of 12 by 4 as 4 in Step 3.

Corrected, this becomes: $f=12\div 4=3$

Therefore, f=3

Answer 2

Answer:

The answer is step 3

Step-by-step explanation:

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