karisb813 karisb813

09-04-2021
Mathematics

contestada

-18 = 9z - 9
z =___?

Respuesta :

jimrgrant1 jimrgrant1

09-04-2021

Answer:

z = - 1

Step-by-step explanation:

Given

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

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

- 1 = z

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