Respuesta :

calculista
4/(x+2)=16/9
multiplying both members of the expression by 4
 4*(4/(x+2))=(16/9)*4
16/(x+2)= (16/9)*4
(16/4)(x+2)= (16/9)
16/(4x+8)=16/9
I equate the denominators
4x+8=9
4x=9-8
X=1/4