Answer:
Distributive property says that:

Addition property of equality:
if x = y then x+z = y+z
Division property of equality:
if x = y then 
As per the statement:
Given the equation: 
Tyra solve this equation as shown below:
1.
[Distributive property]
2.
[Addition property of equality]
3.
{Division property of equality]
Therefore, the property Tyra used in line 1 was : Distributive Property.
1. 160 2. 520 3.240 hopefully they are right
Not sure sorry edit : oh sorry I was suppose to add this in the comment section
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