I need help on this one i nwed help on 13

13) If Q is the midpoint of the segment PR, we can write that PQ=QR.
As PQ=3x+14 and QR=7x-10, this is:
[tex]\begin{gathered} PQ=QR \\ 3x+14=7x-10 \\ 14-10=7x-3x \\ 4=4x \\ x=\frac{4}{4} \\ x=1 \end{gathered}[/tex]The value of x is x=1.