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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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