Question

Can anyone help in math ? thanks.

Answer 1

Answer:

x + 45° + 78° = 180 ( linear pair)

x+ 123 =180

x = 180 - 123

x = 57°

Answer 2

Step-by-step explanation:

Aloha !

x+45°+78°+=180°

x+123°=180°

x=57°

Thank you

@ Twilight Astro ✌️☺️❤️