khadine
khadine khadine
  • 10-10-2020
  • Mathematics
contestada

-3z-1=1-7z simplify​

Respuesta :

saijuchacko saijuchacko
  • 10-10-2020

Answer:

-3z-1=1-7z

-1 = 1-4z      

-4z = -1-1

-4z = -2

z = -2/-4

z = 1/2

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