Math

3(3 + 8z) = 129

Asked by AnneS2 12 years ago 10/8/2013 4:48 AM

Last updated by anonymous 12 years ago 10/9/2013 3:13 PM

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Answered by CherieS 12 years ago 10/9/2013 3:13 PM

3(3 + 8z) = 129

3(3) (3)( + 8z) = 129

9+24z=129

9+24z-9=129-9

24z=120

24z/24=120/24

z=5