jadenacho jadenacho

27-03-2018
Mathematics

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Find the value of x for which ABCD must be a parallelogram

Find the value of x for which ABCD must be a parallelogram class=

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morgano2020 morgano2020

27-03-2018

7x+7=18-4x
-7
7x=11-4x
+4x
11x=11
x=1

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