kikibaddie2008 kikibaddie2008

08-05-2021
Mathematics

contestada

Help me fast!!!! :)

Answer my other questions plz

Help me fast Answer my other questions plz class=

Respuesta :

akposevictor akposevictor

13-05-2021

Answer:

x = 20°

Step-by-step explanation:

Angles on a straight line = 180°

Therefore,

3x° + 80° + 2x° = 180°

Add like terms

5x + 80 = 180

Subtract 80 from each side

5x + 80 - 80 = 180 - 80

5x = 100

Divide both sides by 5

5x/5 = 100/5

x = 20°

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