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10-10-2016
Mathematics

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8d-d-4d-8=5d A. 1 B. 9 C. -4/3 D. -4

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texaschic101 texaschic101

10-10-2016

8d - d - 4d - 8 = 5d....simplify (keep in mind, -d is the same as -1d)
3d - 8 = 5d.....subtract 3d from both sides
-8 = 5d - 3d
-8 = 2d ...divide both sides by 2
-8/2 = d....reduce
-4 = d

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