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stira [4]
3 years ago
10

Fill in the missing work and justification for step 2 when solving 3(x + 2) = 12.

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
3 0

Answer:

  • 3x + 6 = 12; Distributive Property

Step-by-step explanation:

  • 3(x + 2) = 12

<u>The next step is:</u>

  • 3*x + 3*2 = 12
  • 3x + 6 = 12

This is a distributive property

Correct choice is A

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Explanation

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Now, it the total of trucks is 24,the proportion must be the same, so

Step 1

Let

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\frac{\text{2 cars}}{3\text{ trucks}}=\frac{x}{24\text{ trucks}}

Step 2

solve for x

\begin{gathered} \frac{\text{2 cars}}{3\text{ trucks}}=\frac{x}{24\text{ trucks}} \\ 2\cdot24=3\cdot x \\ x=\frac{2\cdot24}{3} \\ x=\frac{48}{3} \\ x=16 \end{gathered}

Hence, the answer is 16

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