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19= 7z -2z -------------
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19= 7z -2z
-------------

User Wazoox
by
5.3k points

2 Answers

5 votes

Answer:

z = 3.8

Explanation:

19 = 7z - 2z

19 = 5z

19/5 = z

3.8 = z

User Petri
by
5.3k points
5 votes

Answer:

19 = 7z - 2z

19 = 5z

z = 19/5

Hope this helps!

User Pasi Heikkinen
by
4.8k points
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