Answer: m<BCD = 130 degrees
9x - 5 = 4x + 5 + 65
simplify
9x - 5 = 4x + 70
add 5 to both sides
9x = 4x + 75
subtract 4x from both sides
5x = 75
divide both sides by 5
x = 15
substitute 15 for x
9(15) - 5
135 - 5
130
Therefore, m<BCD = 130 degrees
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