Respuesta :

akposevictor

Answer:

x = 5

Step-by-step explanation:

Based on the tangent theorem, tangents drawn from an external point of a circle are equal.

This means:

4x - 1 = 2x + 9

Collect like terms

4x - 2x = 1 + 9

2x = 10

Divide both sides by 2

2x/2 = 10/2

x = 5

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