Answered

which properties were applied in steps 1 and 3
step 1 5(11z+6z+29)
step 3 85z+145


commutative property, then distributive property
communtative property, then identify property
associative property, then distributive property
associative property, then commutative property?



Answer :

hjlucas
C - Associative then Distributive

Associative allows the combining of like terms (Both with variable z)
Distributive allows the 5 to distribute through

5(11z+6z+29)
5(17z+29)
5(17z)+5(29)
85z+145