4x5-(2 (2) - 2 ) = 14
(18/ 3) + (3 (2) - 7) 8
Use the distributive property of multiplication to simplify.
-6x + 9y + 15.
Answer:

Step-by-step explanation:
We can prove that a tangent will always be perpendicular to the radius touching it. So, the other angle in the diagram is
.
Because all the angles of a triangle sum to
, we have that
.
We combine like terms on the left side to get
.
We subtract
on both sides to get
.
So,
and we're done!