Prove. 5y + 4 + 6(1+y)= 11y+10

statement 1. 5y + 4 + 6(1 + y)
given

statement 2. 5y + 4 + (6 + 6y)
distributive property

statement 3. 5y + ( 4 + 6) +6y
associative property

statement 4. 5y + 10 + 6y
addition

statement 5. 5y + 6y + 10


statement 6. 11y + 10
addition

what is the correct reason for statement 5?

a. multiplication

b. associative property

c. commutative property

d. addition