If 2(x -1) = 14, then x =

2(x-1)=14

(2*x)+(2*-1)=14

2x-2=14

+2       +2

2x=16

/2     /2

x=8

2(x-1)=14

14/2=7

7+1=8

x=8

this is very easy

x=8