kidz
kidz kidz
  • 08-01-2017
  • Mathematics
contestada

what is this answer 9=4a+13

Respuesta :

Аноним Аноним
  • 08-01-2017
I hope this helps you




9-13=4a+13-13



-4=4a



-4÷4=4a÷4


a= -1
Answer Link
SuperLegend
SuperLegend SuperLegend
  • 08-01-2017
9=4a+13
Subtract 13 from both sides
-4=4a
Divide 4 on both sides
Final Answer: -1=a
Answer Link

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