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Mathematics, 18.12.2020 20:00 kayal1076

Two angles are supplementary if their measures add up to 180°. If one of two supplementary angles is (3x + 7)° while the other is (5x - 11), then x = A.25
B.21
C.24
D.20
E.23

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Two angles are supplementary if their measures add up to 180°. If one of two supplementary angles is...
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