Practice 1-5

Question 1

Commutative property

Answer 1

1+2=2+1

Question 2

Associative property

Answer 2

(1+2)+3=1+(2+3)

Question 3

Identity property

Answer 3

1+0=1

Question 4

Distributive property

Answer 4

4*(x+7)=68                  X=?
4*x+4*7=68                 X=?
4*x+28=68                  X=?
4*x=68                        X=?
X=10                           X=10