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  • 22-09-2017
  • Mathematics
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If angle A B C is congruent to angle C B D, find x.

If angle A B C is congruent to angle C B D find x class=
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Аноним Аноним
  • 22-09-2017
4 x + 30 = 5x + 20
-5x           -5x

-x + 30 = 20
     -30     -30

- x = -10

x = 10
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