Respuesta :

Answer:

x = 46⁰

Step-by-step explanation:

Supplementary angles have a sum of 180⁰.

That means that MAK + KAN = 180⁰

2x + 38⁰ + x + 4⁰ = 180⁰ => 3x + 42⁰ = 180⁰ => 3x = 138⁰ => x = 46⁰