Question 6353
==>x -7):(x+7) = 2:9.
This equation can be written as
==>(x-7)/(x+7)=2/9
==>2(x+7)= 9(x-7) 
==>2x+ 14 =9x -63
==>2x- 9x= -63 -14 
==>- 7x= -77 
==>x= -77/-7 
==>x= 11

Ans