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-18 = 9z - 9 z =___?
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-18 = 9z - 9
z =___?

User Bartosz Konieczny
by
6.6k points

1 Answer

7 votes

Answer:

z = - 1

Explanation:

Given

- 18 = 9z - 9 ( add 9 to both sides )

- 9 = 9z ( divide both sides by 9 )

- 1 = z

User Minhazur
by
7.8k points
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