http://speedcap.net/sharing/screen.php?id=files/97/92/97926f75a6e556c4232560340dcf08b6.png
x = 19

x = 12

x = 9

x = 16
Can anyone help solve I have no Idea?

Question

http://speedcap.net/sharing/screen.php?id=files/97/92/97926f75a6e556c4232560340dcf08b6.png
x = 19

 x = 12

 x = 9

 x = 16
Can anyone help solve I have no Idea?

anonymous · Answer

@hba can you help c:?

raden · Answer

CDE similar by CAB, so
CE/CB = CD/CA
3/7 = 12/(12+x-3) or
3/7 = 12/(9+x)
solve for x

anonymous · Answer

is / divide of fraction

raden · Answer

yes

anonymous · Answer

Okay I have no idea like do I cross multiply or something

hba · Answer

@xoalyssaxo1 I am sorry i was busy

Yes you have to cross multiply.

anonymous · Answer

its fine thank you c:

anonymous · Answer

okay so it'd be  84 over 27x and then I divide 84 by 27 and get 3.1 repeating right

anonymous · Answer

wait thats not an option x-x

hba · Answer

@xoalyssaxo1 

Well see this,

3/7 = 12/(9+x)

3(9+x)=12*7

anonymous · Answer

Ah its 19 thank you very much both of you!

hba · Answer

@xoalyssaxo1 Your'e welcome.