ABD = DBC,
ABD + DBC = ABC,
(3x+25) + (3x+25) = 7x,
6x + 50 = 7x,
7x -6x = 50,
X = 50.
DBC = ABD = 3x + 25 = 3+50 + 25 = 175.
if segment bd bisects angle abc. the measure of angle abc=7x. the measure of angle abd=3x+25 find the measure of angle dbc
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