Respuesta :

marcthemathtutor

Answer:

x = 6

Step-by-step explanation:

cos 60° = JK/JL

cos 60° = 7 / (3x-4)

(1/2) = 7 / (3x-4)

(1/2) = 7 / (3x-4)

(3x-4) = (2)(7)

3x-4 = 14

3x = 14+4

3x = 18

x = 18/3

x = 6
I got the same answer as the person above me ^

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