christianburgos04
christianburgos04
11-12-2020
Mathematics
contestada
Solve for X
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laurenalexa34
laurenalexa34
11-12-2020
one exterior angle is equal to the sum of the other two interior angles
so 12x-4=(5x+2)+64
12x-4=5x+66
7x-4=66
7x=70
x=10
hope this helps :)
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