They are mad as easy try it on your own your answer is suppose to be 80
Answer:
well this is according to my calculator
Step-by-step explanation:
the answer is 506
Answer:
228
Step-by-step explanation:

notice |7| 7 is positive, so we can simply remove the bars and use 7 by itself
All angles are of triangle and thus give sum of 180⁰
x + 5 + 7x - 5 + x = 180⁰
9x = 180⁰
x = 20⁰