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25-10-2020
Mathematics

contestada

e is 5 more than d.
f is 7 less than d.
Work out
e-f
Simplify your answer.

Respuesta :

lhz15899859450 lhz15899859450

25-10-2020

Answer:

12+2d

Step-by-step explanation:

e=5+d

f=d-7

e-f = 5+d-(d-7)

e-f = 12+2d

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