linseyishot linseyishot

10-01-2022
Mathematics

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I really don’t understand

I really dont understand class=

Respuesta :

esauazraa2 esauazraa2

10-01-2022

Answer:

x=5

Step-by-step explanation:

The exterior angle of a triangle theorem states the angles V and U (in the diagram) will equal angle UTK.

40°+12x=21x-5

Now we just solve like a regular equation

40+5=21x-12x

45°=9x

45°÷9=9x÷9

5=×

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