Question

[(14.x-25):5].12=108

Answer 1

[(14.x-25):5].12=108

=> (14.x-25):5=9

=> 14.x-25=45

=> 14.x=70

=> x=5 

Answer 2

[(14.x-25):5].12=108

(14.x-25):5=108:12=9

14.x-25=9.5=45

14.x=45+25=70

x=70:14

x=5

Answer 3

[(14.x-25):5].12=108

[(14.x-25):5]=108:12

(14.x-25):5=9

(14.x-25)=9x5

14.x-25=45

14.x =45-25

14.x=20

x= 20:14

x=10/7