2(w+2)-8w=-14 -- expand the brackets, multiply the term(s) outside the bracket by the term(s) inside the bracket. 2w+4-8w=-14 -- combine like terms 4-6w=-14 -- add 6w to both sides and add 14 to both sides 18=6w 3=w w=3

[latex]2(w+2)-8w=-14\\ 2w+4-8w=-14\\ -6w=-18\\ w=3[/latex]