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Answer :

Answer:

3x+12

Step-by-step explanation:

This is distributive property

So you multiply by 3 with the numbers inside the parenthesis

3 times x is 3x

3 times 4 is 12

So the answer is

3x+12

Answer:

3x+12

Step-by-step explanation:

Distribute(multiply) the 3 to the numbers in the parenthesis and the variable.  

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