jayb5406 jayb5406
  • 15-01-2020
  • Mathematics
contestada

2.) d + 81 = 9d - 7
What’s the answer need help

Respuesta :

olungasnr
olungasnr olungasnr
  • 15-01-2020

Answer:

d=11

Step-by-step explanation:

Answer Link
Meggziemouse
Meggziemouse Meggziemouse
  • 15-01-2020
D+81=9D-7.

Explanation:
D - 9D = -81 -7 (take all the letters to one side and numbers on the other side Remember that when you move across signs the - becomes a + and so on)

-8D = -88

(The negatives cross out and you want to isolate D so you divide 88 by 8)

D= 11
Answer Link

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