Respuesta :

Wallind11

Answer:

x= 23°

Step-by-step explanation:

l || m

3x +4x+19= 180°(co- exterior angle)

=>7x=180°- 19

=>7x= 161°

=>x= 23°

ariyanna29
your answer will be 23. i got that equation by using the vertical angles and interior angles. you want to get the 4x+19 (or 3x) to a spot to we’re it could be a linear pair.
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