Select the postulate that is illustrated for the real numbers.
3x + 3 = 3(x + 1)
the commutative postulate for multiplication
multiplication by one
the addition inverse postulate
commutative postulate for addition
the distributive postulate
the addition of zero postulate
the multiplication inverse

The correct answer is distributive postulate.

Step-by-step explanation:

Look at the expression we have given:

3x + 3 = 3(x + 1)

And we are asked that which postulate is illustrated for the real numbers.

We know that the distributive property of multiplication states that we can multiply a sum of numbers by multiplying each addend separately and finally add the products.

a*(b+c)= a*b+a*c

where a,b and c are real numbers.

3(x+1)= 3*x+3*1 = 3x+3

Therefore the correct option is distributive postulate

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