Answer:
x = 8
DBC = 32
Explanation:
The sum of the two smaller angles is the larger angle
23+4x = 55
Subtract 23 from each side
23+4x-23 =55-23
4x = 32
Divide each side by 4
4x/4 = 32/4
Then we want to find DBC = 4x = 4*8 = 32
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