Answer :
[tex]\begin{gathered} x+2y=14 \\ y=x+4 \\ \\ \text{then } \\ x+2(x+4)=14 \\ x+2x+8=14 \\ 3x+8=14 \\ 3x=14-8 \\ 3x=6 \\ x=\frac{6}{3} \\ \\ x=2 \\ \\ y=x+4 \\ y=2+4 \\ y=6 \\ \\ \\ \text{the ordered pair is (2,6)} \end{gathered}[/tex]