Question 6353
(x -7):(x+7) = 2:9.
This equation can be written as
(x-7)/(x+7)=2/9
Now cross multiply , we get

2(x+7)= 9(x-7)

2x+ 14 =9x -63
Combining like terms
2x- 9x= -63 -14

- 7x= -77

x= -77/-7

x= 11