2(4x-3)-8=4+2x
distribute 2 through the parenthesis
8x-6-8=4+2x
calculate the difference
8x-14=4_2x
move variable to the left side and change its sign
8x-2x-14=4 ----> 8x-2x=4+14
collect the like terms
6x=4+14 ----> 6x=18
divide both sides of the equation by 6
x=3