4(3x-5)+2x=8
first you multiply 4 by 3x, and you multiply 4 by -5 to get rid of the parenthesis
12x-20+2x=8
then you combine like terms, 12x and 2x
14x-20=8
then you add 20 to the 20 and to the 8 on the other side of the “=“
14x=28
then you divide both sides of the “=” by 14 to get...
x=2