OluwaseyifunmiN64824 OluwaseyifunmiN64824
  • 29-10-2022
  • Mathematics
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value of 18= Z-9 what I need to do?

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AerilynL168389 AerilynL168389
  • 29-10-2022

we need solve z

[tex]\begin{gathered} 18=Z-9 \\ 18+9=Z-9+9 \\ 27=Z+0 \\ Z=27 \end{gathered}[/tex]

you need to remove what accompanies z in this case we add 9 to both sides to remove the -9

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