Answer :



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
You times everything on the inside of the bracket by the number on the outside of the bracket and then simplify? BIDMAS. 55z+30z+145 which simplifys to 85z+145  

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