Respuesta :

Answer:

The Correct option is A. 6x +3y

Therefore,

[tex]3x+3(x+y)[/tex]

is Equivalent to

[tex]6x+3y[/tex]

Step-by-step explanation:

Which expressions are equivalent to 3x+3(x+y)

Distributive property:

The distributive property lets you multiply a sum by multiplying each addend separately and then add the products.

For Example A(B+C)=AB + AC  

Therefore,

[tex]3x+3(x+y)[/tex]

Applying Distributive Property we get

[tex]3x+3\times x+3\times y[/tex]

[tex]3x+3x+3y[/tex]

Combining like terms we get

[tex]6x+3y[/tex]

Therefore,

[tex]3x+3(x+y)[/tex]

is Equivalent to

[tex]6x+3y[/tex]