Respuesta :

22nlin

Answer:

x=17

Step-by-step explanation:

7x+15=4x+66

3x=51

x=17

Answer:

17

Step-by-step explanation:

7x + 15° =  4x + 66° (vertically opposite angles are equal)

7x - 4x = 66 - 15

3x = 51

x = 51/3

x = 17

hope it helps you^^

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