Math

4+z+2 =21-2z

Asked by AnneS2 on 17 Apr 06:23

Last updated by anonymous on 18 Apr 22:48

1 Answers

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Answered by CherieS on 18 Apr 22:48

4+z+2 =21-2z

z+6=21-2z

z+6-6=21-6-2z

z=15-2z

z+2z=15-2z+2z

3z=15

3z/3=15/3

z=5