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Find X and RDB: X = RDB =
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Find X and RDB:




X =
RDB =

Find X and RDB: X = RDB =-example-1
User JoBaxter
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(13x+7-60)/(2)=5x-10 \\ \\ 13x-53=10x-20 \\ \\ 3x-53=-20 \\ \\ 3x=33 \\ \\ \boxed{x=11} \\ \\ m\angle RDB=5(11)-10=\boxed{45^(\circ)}

User Mowshon
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