Respuesta :

3w +2 =7w
-3w       -3w
2=4w
Divide each side by 4
1/2=w

Check your answer:
3 (1/2) + 2 = 7 (1/2)
(3/2) + (4/2) = (7/2)
(7/2) = (7/2)

Hope this helps.
[tex]3w + 2 = 7w[/tex] 

[tex]3w + 2 = 7w:w[/tex]  [tex]|Solve \ for \ w|[/tex] 

[tex]2=7w-3w[/tex]   [tex]|Subtract \ 3w \ from \ both \ sides|[/tex]

[tex] 2=4w [/tex] 

[tex] \dfrac{2}{4}=w [/tex]   [tex]|Divide \ both \ sides \ by \ 4|[/tex]

[tex]w= \dfrac{1}{2} [/tex]