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Mathematics, 24.08.2019 22:20 auntlynard1843

The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown. one angle measures 3x + 40, and the other angle measures 80.
16.6
20
26.7
40

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The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown...
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