Math

Solve for the unknown 198 = 9(5 + z)

Asked by AnneS2 12 years ago 7/30/2013 8:08 AM

Last updated by anonymous 12 years ago 8/1/2013 5:58 PM

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Answered by CherieS 12 years ago 8/1/2013 5:58 PM

198 = 9(5 + z)

198 = 9(5) (9)( + z)

198=45+9z

198-45=45+9z-45

153=9z

153/9=9z/9

17=z