ernieeej ernieeej

11-06-2018
Mathematics

contestada

two angles with measurements (5x+7) and (15x-7) are supplementary. what’s the value of x

Respuesta :

datguiser datguiser

11-06-2018

They add up to 180 degrees.

5x+7+15x-7=180

20x=180

x=9

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