Math

Solve for the unknown 249 = 3(3 + 4z)

Asked by AnneS2 12 years ago 7/22/2013 4:58 AM

Last updated by anonymous 12 years ago 7/23/2013 9:09 PM

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Answered by CherieS 12 years ago 7/23/2013 9:09 PM

249 = 3(3 + 4z)

249 = 3(3) (3)( + 4z)

249=9+12z

249-9=9-9+12z

240=12z

240/12=12z/12

20=z