Answer:
28 degrees
just add both number then subtract by 180 and you will find the missing angle
19
evaluate the parenthesis, noting that + ( - ) = -
(19 + 9 ) + ( - 9) = 28 - 9 = 19
=3 1/10
this is the answer because it just is tell me if you need work
Step-by-step explanation:
x = -4
