alanmachin13 alanmachin13
  • 09-02-2021
  • Mathematics
contestada

e is 5 more than d
f is 7 less than d

work out e-f

Respuesta :

kylefletcher53
kylefletcher53 kylefletcher53
  • 09-02-2021

Answer:

12

Step-by-step explanation:

(5+d)-(d-7)

5--7 = 5+7 = 12

To prove this:

d = 10

e = 5+10 =15

f = 10-7 = 3

15 - 3 =12

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