tyionerussell
tyionerussell tyionerussell
  • 13-07-2017
  • Mathematics
contestada

solve for w.

-3w+2=-10w+30

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 13-07-2017

-3w+2=-10w+30

add 3 w to each side

2=-7w+30

subtract 30 from each side

-28 = -7w

divide both sides by -7

w = 4

double check

-3(4) +2 = -10

-10(4) +30 = -10

 so w = 4

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