truunaeligion0911 truunaeligion0911

28-03-2018
Mathematics

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Given the parallelogram ABDC, DC=2x+5 and AB=7x-1

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choixongdong choixongdong

28-03-2018

parallelogram so opposite sides are equal
so
AB = DC
7x - 1 = 2x + 5
7x - 2x = 5+1
5x = 6
x = 6/5
x = 1.2

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