17-04-2018
Mathematics

contestada

what is the value of x?

what is the value of x class=

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budwilkins budwilkins

19-04-2018

there are 360° in a quadrilateral, so 360-180 = 180
18x-2 + 12x+2 = 180
30x +0 = 180
30x/30 = 180/30
x = 6

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