Math

Solve for the unknown 6 + 7z = 10 + 9z

Asked by AnneS2 on 22 Jul 04:55

Last updated by anonymous on 24 Jul 12:07

1 Answers

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Answered by CherieS on 24 Jul 12:07

6 + 7z = 10 + 9z

6 + 7z-7z = 10 + 9z-7z

6=10+2z

6-10=10-10+2z

-4=2z

-4/2=2z/2

-2=z