( _+_- _+_) - ( _+_- _+_) = 0 The numbers given are 1,2,3,4,5,6,7,8,9 please help !!!

30

step-by-step explanation:

idk

i hope i

what are you trying to solve here

step-by-step explanation:

step-by-step explanation:

step-by-step explanation:

let pq = qr = rs = x, and xz = y and zu = z.

if the horizontal lines are parallel, then corresponding segments are in proportion:

substitute:

therefore 3 = y = z.

xu = y + z → xu = 3 + 3 = 6