Math

Solve for the unknown: 3(2 + 7x) = 69

Asked by AnneS2 12 years ago 8/12/2013 6:24 AM

Last updated by anonymous 12 years ago 8/13/2013 6:04 PM

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Answered by CherieS 12 years ago 8/13/2013 6:04 PM

3(2 + 7x) = 69

3(2) (3)( + 7x) = 69

6+21x=69

6-6+21x=69-6

21x=63

21x/21=63/21

x=3