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lianna [129]
3 years ago
8

If angle ABC is congruent to angle CBD, find x.

Mathematics
2 answers:
OLEGan [10]3 years ago
3 0
4x + 30 = 5x + 20
30 - 20 = 5x - 4x
10 = x <==
mart [117]3 years ago
3 0
<span>angle ABC is congruent to angle CBD
so
4x+30 = 5x+20
5x-4x = 30-20
x = 10

answer is x = 10</span>
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