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  • 06-12-2017
  • 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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Аноним Аноним
  • 06-12-2017
15x+2=9x+20
6x+2=20
6x=18
x=3
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