Math

3(1 + 2z) = 123 Solve for the unknown

Asked by AnneS2 12 years ago 8/20/2013 12:27 PM

Last updated by anonymous 12 years ago 8/21/2013 8:51 PM

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Answered by CherieS 12 years ago 8/21/2013 8:51 PM

3(1 + 2z) = 123

3(1 ) (3)(+ 2z) = 123

3+6z=123

3+6z-3=123-3

6z=120

6z/6=120/6

z=20