D. The x and y values are both negative
It is A because if you subtract 9 and 6 you get 3 and then you add the 4 and get 7
Here, as the sides are equal, middle line would be exact half then the longer (bottom) side of the triangle.
48 = 2(3x)
6x = 48
x = 48/6
x = 8
In short, Your Answer would be Option D
Hope this helps!
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