Question

HELP PLEASE!!!!
Attachment in the comments

Answer 1

Let me check it out.

Answer 2

OK thank you

Answer 3

So you know that if you added up the 2 angles that make up BED, you would have (2x+4) + 40

Answer 4

And you know that is equal to 80

Answer 5

so you have a linear equation, (2x+4) + 40 = 80

Answer 6

x = 18

Answer 7

Thank you so much :)