kyrabaldwin12ov25y2
kyrabaldwin12ov25y2 kyrabaldwin12ov25y2
  • 22-08-2017
  • Mathematics
contestada

Need help solving this equation please 9(z-3)=12z

Respuesta :

jz11508 jz11508
  • 22-08-2017
Attached is the answer and the steps are shown.
Ver imagen jz11508
Answer Link
kirtana
kirtana kirtana
  • 22-08-2017

Okay... So firstly you need to expand 9 into the numbers inside the bracket. You'll get something like this. : 9z-27=12z...You want to make Z the subject so you shift it to the other side and it should be now like this : -27= 12z -9z(Remeber when shifted positive becomes negative and vice versa.)
so -27 =3z
And then you divide by 3 to get a single x.
And you'll get -9 as your answer.
Answer Link

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