Math

Solve for unknown: 3z + 4 + 5z = 164

Asked by AnneS2 12 years ago 9/20/2013 5:46 AM

Last updated by anonymous 12 years ago 9/21/2013 12:01 PM

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Answered by CherieS 12 years ago 9/21/2013 12:01 PM

3z + 4 + 5z = 164

4 + 8z = 164

4 -4+ 8z = 164-4

8z=160

8z/8=160/8

z=20