Question

Halla el valor de "x" *

Answer 1

$\begin{pmatrix}3&\left(15\right)&9\\ \:8&\left(28\right)&12\\ \:14&\left(x\right)&2\end{pmatrix}$

Relación:

3 + 15 = 18/2 = 9

8 + 28 = 36/3 = 12

$\frac{14+x}{4}=2$  

$x=-6$