miraaacle miraaacle

03-12-2020
Mathematics

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this is extra credit . solve for X

this is extra credit solve for X class=

Respuesta :

jimrgrant1 jimrgrant1

03-12-2020

Answer:

x = - 15

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 given angles and equate to 180, that is

35 - 5 - 8x - 2x = 180 ( simplify left side )

30 - 10x = 180 ( subtract 30 from both sides )

- 10x = 150 ( divide both sides by - 10 )

x = - 15

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