jessicalacey65 jessicalacey65

16-08-2016
Mathematics

contestada

What does this mean
2c - 4 if c =8

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garydesir1 garydesir1

17-08-2016

Hi Jessica 2c - 4 (but if c equal 8). The first thing to do is replace c by 8 . So 2(8) -4 . now it is 16-4 = 12

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smurfs2 smurfs2

17-08-2016

c is the unknown number
you can replace c to 8
(PEMDAS)

2×8-4
16-4=
12

Answer Link

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