Kenz413
Kenz413
01-04-2017
Mathematics
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Would someone help me
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Hoa2003
Hoa2003
05-04-2017
the angle AEC is opposite the angle DEB
the angle AEC is equal
9x + 12 = 2x + 30
9x - 2x = 30 - 12
7x = 18
x = 2.57
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