Relax

Respuesta :

Aayusha3

Answer:

The value of x is 55⁰.

Step-by-step explanation:

Let n be X,

(n+7)⁰+(3n-47)⁰=180⁰

or,n+7+3n-47=180

or,4n-40=180

or,4n=180+40

or,4n=220

or,n=220/4

.:n=55⁰##

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