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30-08-2018
Mathematics

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Two angles are supplementary. they have measures of (7x + 2)° and (3x – 2)°, respectively. what is the value of x? 180 18 90 10 description

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Аноним Аноним

30-08-2018

they are supplementary so they add to 180

(7x + 2) + (3x - 2) = 180

...simplify

10x = 180

...divide

x = 18

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