Answer:
whats to simplify
Step-by-step explanation:
actally
Observe that

In the original equation, divide both sides by
:


Next,

where
is any integer. Then

Fix
to ensure
, so that

First of all not to be rude, but it is order of operations not properties of operations. Second, you can solve equations by going in the order of PEMDAS or Parentheses, Exponents, Multiplication, division, addition, and subtraction. Multiplication and division are switchable, addition and subtraction. If you do not follow this order you get the equation or inequality wrong.
Answer:
y = 120°
Step-by-step explanation:
y = 120° because opposite angles of two intersecting lines are equal