Answer :

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

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