Question

Find value of x

Answer 1

@xxxkittyxxx

Answer 2

how many degrees does angle of DBC have?

Answer 3

what kind of angles are DBA and ABC? what is the sum of those two angles?

Answer 4

180

Answer 5

so what you are saying,bradenhart, is if i add those two equations together, i will get 180?

Answer 6

mmm how to i set them up to find x?

Answer 7

i think you just answered your question!
the first angle plus the second angle = 180

Answer 8

Oh here it is, give me one second

Answer 9

(7x-1)
(3x-9)
the sum of these two angles equal 180 right?

Answer 10

19

Answer 11

7x-1+3x-9 = 180
combine like terms! solve for x

Answer 12

x=19

Answer 13

yeah. I suppose if you only want an answer you should send a private message. if you want help understanding, that is what these boards are for.

Answer 14

ok