JonnStrack
JonnStrack
16-05-2016
Mathematics
contestada
6w-2(4+w)=w+7 solve for w
Respuesta :
ZackFry
ZackFry
16-05-2016
6w - 2(4 + w) = w + 7
6w - 8 - 2w = w + 7
4w - 8 = w + 7
(4w - 8) + 8 = w + 7 + 8
4w = w + 15
4w - w = (w + 15) - w
3w = 15
3w ÷ 3 = 15
÷ 3
w = 5
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