Respuesta :

Answer:

96⁰ + 4x⁰ = 180⁰

<=> 4x⁰ = 180⁰ - 96⁰ = 84⁰

=> x = 84/4

<=> x = 21

Answer:

21°

Step-by-step explanation:

A straight line= 180°

96+ 4x= 180°

4x= 180-96

4x= 84°

x= 84/4

x= 21°

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