A teacher asked the class to solve the equation 3 (x + 2) = 21.

Robert wrote 3x + 6 = 21 as his first step. Which property did he use?

(1) associative property (3) distributive property

(2) commutative property (4) zero property of addition

Question

Mae

Mathematics

6 August, 06:25

A teacher asked the class to solve the equation 3 (x + 2) = 21.

Robert wrote 3x + 6 = 21 as his first step. Which property did he use?

(1) associative property (3) distributive property

(2) commutative property (4) zero property of addition

+5

Answers (2)

Know the Answer?

Bria Cantu · Answer 1

It is the distubitive property because he got rid of the ()

Shirley Holder · Answer 2

3) distributive property

Robert had given 3 to each term. which then results in 3x+6=21. Then. if he further went on, you would subtract 6 from each side giving you 15 then divide 15 by 3 giving you x=5.

A teacher asked the class to solve the equation 3 (x + 2) = 21.Robert wrote 3x + 6 = 21 as his first step. Which property did he use?(1) associative property (3) distributive property(2) commutative property (4) zero property of addition

A teacher asked the class to solve the equation 3 (x + 2) = 21.

Robert wrote 3x + 6 = 21 as his first step. Which property did he use?

(1) associative property (3) distributive property

(2) commutative property (4) zero property of addition