lnkibod49 lnkibod49

15-09-2017
Mathematics

contestada

3d - e = 7
D + e = 5

Use the linear combination method

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spacehunter22 spacehunter22

15-09-2017

3D - e = 7
D + e = 5
4D = 12
D = 3
3 + e = 5
e = 2

Your answers are D = 3 and e = 2

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