Solving One and Two step equations sometimes requires that you follow the distributive properties of multiplication. For example:
4(x-2)=16
distribute 4 through the brackets
4x-8=16  now add +8 to both sides to begin isolating x.
4x=24  divide both side by 4 to isolate x.
x = 6

Watch this video or this video to see the distributive properties of multiplication in action.