Respuesta :

Answer:

-7/4

Step-by-step explanation:

Answer:

X = 12

Step-by-step explanation:

Each angle has 90 degrees, so we know that 4x + 7 = 55. Then, we take off the 7 to get 48, so then 4x = 48. Divide that all by 4 and we get X = 12!

Hope this helped!

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