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Complementary Angles

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Practice Complementary Angles
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Algebra and Vertical Angles
Teacher Contributed
In the diagram below, \(m\angle ACD = (3x + 130)^\circ, \; m\angle ECB = (4x + 123)^\circ\). What is the value of \(x\)?
C
$$A$$
$$B$$
$$D$$
$$E$$
qid: 100094

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