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Please help and show work


x= ​

Please help and show work x= ​-example-1

1 Answer

1 vote

Answer:

x = 7

Explanation:

from the properties of an isosceles triangle, 5x+6 = y-9

so

98+2(5x+6) = 180

98+10x+12 = 180

110+10x = 180

10x = 70

x = 7

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