Answer:
x = 12
Explanation:
The tangent lines that intersect have the same length, so we can write the following equation
4x - 5 = 3x + 7
Now, we can solve for x
4x - 5 + 5 = 3x + 7 + 5
4x = 3x + 12
4x - 3x = 3x + 12 - 3x
x = 12
Therefore, the answer is x = 12
